Repository: Department of Historical Geology and Palaeontology, University Museum, University of Tokyo, unless otherwise stated
N: Number of total individuals
NR: Number of individuals belonging to Phenotype R (only for C. vesicuhsus)
NQ: Number of individuals belonging to Phenotype Q (only for C. vesiculosus)
CV: Number of conjoined valves (Recent specimens mostly alive)
RV: Number of right odd valves
LV: Number of left odd valves
Cryptopecten bullatus (Dautzenberg and Bavay) Fossil sample
Sample Kk (B) [UMUT CM16001]
Locality: Road-cut about 500m north of Kamikatetsu, Kikai Island (Kikai Town), Kagoshima Prefecture [28°17.0'N, 129°56.8'E]
Horizon: Coral sand of the Wan Formation of Ryukyu Group
Age: Late Pleistocene (N23, 0.08 Ma, according to Sakanoue et al., 1967, and Omura, 1983)
Collector: Yamaguchi and Hayarni
Composition: N=62, RV=36, LV=26
Recent samples
Sample Ma (B) [UMUT RM16009]
Locality: about 5 km west from the western end of Jôgasbima Islet, Sagami Bay [35°08.5'N, 139"33.7'E, 105m]
Collector: Hayami et al. (R/V Rinkai)
Composition: W=1, LV=1
Sample Hs (B)
Locality: Hyôtanse, a sea bank west of Niijima Island (3 stations)
Collector: Okutani (R/V Soyo II)
Composition (integrated): N=12, CV=3, RV=4,LV=5
[Subsample Hs (3) (B)] [UMUT RM16002] (D15 by Okutani, 1972, 34°21.0'N, 139°03.8'E, 170 m) N=6, CV=2, RV=1, LV=3
[Subsample Hs (8) (B)] [UMUT RM16003] (D55 by Okutani, 1972, 34°21.9'N, 139°05,7'E,220 m)JV=5, RV=3, LV=2
[Subsample Hs (9) (B)] [UMUT RM16004] (D29 by Okutani, 1972, 34°21.5'N, 139°04.5'E, 200m) N=1, CV=1
Sanlple Km (B)
Locality: Shelf off Kushimoto of Kii Peninsula (2 stations)
Collector: Tsuchida Composition (integrated): N=2, RV=1, LV= 1
[Subsample Km (1) (B)] [UMUT RM16005] (off Kushimoto, 110-115 m) N=1, LV=1
[Subsample Km (2) (B)] [UMUT RM16006] (off Kushimoto, 80m) N=1, RV=1
Sample Sr (B)
Locality: off Setozaki, Shirahama of Kii Peninsula (3 stations)
Collector: Yamaguchi, Oji and Kamiya
Composition (integrated): N=28, CV=11, RV=7, LV=10
[Subsample Sr (1) (B)] [UMUT RM16183] (ca. 6 km SSW of Setozaki, 33°36.0'N, 135°18.0'E, 140 m) N=1, CV=1
[Subsample Sr (2) (B)] [UMUT RM16184] (same as above, 140-160 m) N=22, CV=7, RV=5, LV=10
[Subsample Sr (3) (B)] [UMUT RM16185] (same as above, 180 m) N=5, CV=3, RV=2
Sample Ks (B) [UMUT RM16007]
Locality: Mouth of Kii Strait, 300 m (unknown in detail)
Collector: Hayashi (through fishery)
Composition: N=2, CV=2
Sample Kj (B) [UMUT RM16008]
Locality: off Koshikijima Island, west of Kyushu (Loc. 296, 32°49.5'N, 128°07.5'E)
Collector: Oyama (R/V Tokai II)
Composition: N=2, LV=2
Sample Sk (B) [UMUT RM16181]
Locality: northeast of Senkaku Islets, East China Sea (KH68-2-T-12, 26°55'N, 125°01'E, 120m)
Collector: Tsuchida (R/V Hakuho)
Composition: N=1, CV=1
Sample Ta (B)
Locality: Tsushima Strait, southeast of Shimoagata Island (St. 8 by Imajima, 1970, 33°49.7'N, 129°28.9°'E, 100 m)
Collector: Habe and Imajima (R/V Genkai)
Composition: N=6, RV=3, LV=3
Repository: Department of Zoology, National Science Museum, Tokyo
Sample Bh (B) [UMUT RM16195]
Locality: the sea around Bohol Island, Philippines (unknown in detail)
Collector: Kase through a shell collector at Bohol
Composition: N=1, CV=1
Other confirmed Recent specimens of C. bullatus1)
USNM 173194. Off south coast of Oahu, Hawaii (238-252 fms, USBF station 3811); Holotype of Cryptopecten alli. N=1, CV=1
USNM 190440. Vicinity of Kauni Island, Hawaii (257-312 fms). N=1, LV=1
USNM 335667. West coast of Island of Hawaii (198-147 fms). N=1, LV=1
USNM 764151. Off Waikiki, Oahu, Hawaii (190 fms). N=5, RV=2, LV=3
USNM 204163. Off Nagasaki, Kyushu, Japan (107 fms, USBF Station 4904). N=1, RV=1
USNM 204165. Kagoshima Gulf, Japan (103 fms, USBF Station 4936). N=2, RV=1, LV=1
USNM 204277. "Japan Seas" (106 fms). USBF Station 4893. N=2, RV=2
USNM 254287. Batangas Bay, Luzon, Philippines (170 fms, USBF Station 5268). N=1, RV=1
USNM 294674. Ragay Gulf, off N. Burias, Philippines (105 fms, USBF Station 5217). N=2, RV=1, LV=1
USNM 295635. Off Eascarceo Point, N. Mindoro, Philippines (244 fms, USBF Station 5294). N=1, LV=1
USNM 295872. Off Matocot Point, W. Luzon, Philippines (170 fms, USBF Station 5268). N=2, RV=2
USNM 297072. South China Sea, off Pratas Island (230 fms, USBF Station 5317). N=3, RV=3
USNM 298318. Off Gigantangan Island, northwest Leyte, Philippines (114 fms, USBP Station 5398). N=1, LV=1
USNM 764152. Gulf of Tosa, Japan (100 fms). N=8,CV=8
USNM 773983. Nasca Ridge (ca. 750 miles west of north Chile) (Downwind Expedition Station 73, 25°44'S, 85°25'W, 228 m). N=3, RV=3
AMNH 127494. Tosa, Japan (100 fms). N=2, CV=2
AMNH 171523. Tosa, Japan (70 fms). N=4, CV=4
AMNH 183928. Tosa, Japan. N=1, CV=1
AMNH 127507. Kii, Japan (70 fms). N=1, CV=1
Cryptopecten nux (Reeve) Fossil samples
Sample Mk (N) [UMUT CM16010]
Locality: Yonahama, east coast of Miyako Island, Okinawa Prefecture [24°47.1'N, 125°22.4'E]
Horizon: Medium sandstone of Yonahama Formation of Shimajiri Group
Age: Middle Pliocene (N20-N21, ca. 3.0 Ma)
Collector: Ozawa, Yamaguchi and Hayami
Composition: N=10, RV=5, LV=5
Sample Ik(N) [UMUT CM16011]
Locality: Northern coast of Ikeijirna Islet, Yonagusuku-son, Okinawa Island, Okinawa Prefecture [26°23.8'N, 128°0.00'E]
Horizon: Medium-coarse sandstone of Shinzato Formation of Shirnajiri Group
Age: Late Pliocene (N21, 2.0-2.5 Ma)
Collector: Yabu, Yamaguchi, Tabuki and Hayami
Composition: N=4, RV=1, LV=3
Sample Ob (N) [UMUT CM16012]
Locality: Shimo-oyakebaru, Sahiki-son, Okinawa Island, Okinawa Prefecture [26°09.7'N, 127°46.9'E]
Horizon: Medium sand of Chinen, Formation of Shimajiri Group
Age: Early Pleistocene (N22, 1.7-2.0 Ma)
Collector: Nohara
Composition: N=5, RV=3, LV=2
Sample Mt (N) [UMUT CM16013]
Locality: Northwest of the Station Tsukuihama of Keihin Express Line, Nakakôiji, Tsukui, Yokosuka City, Kanagawa Prefecture [35°11.8'N, 139°40.1'E]
Horizon: Medium sand of the Miyata Formation
Age: Middle Pleistocene (unknown in detail)
Collector: Kase
Composition: N=1, RV=1
Sample Jz(N) [UMUT CM16014]
Locality: Road-cut, east of a shrine, Jizôdô, Kisarazu City, Chiba Prefecture [35°22.0'N 140°05.9'E]
Horizon: Coarse sand of Jizôdô Forniation of Shimosa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Hayami
Composition: N=1, RV=1
Sample Ic (N) [UMUT CM16029]
Locality: Road-cut, east of Ichinosawa, Kisarazu City, Chiba Prefecture [35°20.8'N 140°04.2'E]
Horizon: Medium sand of Jiz ô d ô Formation of Shimosa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Ohta
Composition: N=1, LV=1
Sample Sm (N) [UMUT CM16180] [Cryptopecten mux senwtensis (Oyama)]
Locality: Lower part of a cliff of Semata-no-seiri, Ochishimoshinden, Toki Town, Chiba Prefecture [35°31.5'N, 140°13.7'E]
Horizon: Medium sand of Yabu Formation (layer E of Ohara, 1968a) of Shimosa Group
Age: Late Pleistocene (N23, ca. 0.29 Ma)
Collector: Ohara, Akutsu and Hayami
Composition: N=12, RV=6, LV=6
Remarks: Two specimens described by Yoko- yama (1922) [UMUT CM21561, 21562] probably occurred at the same locality.
Sample Kk (N) [UMUT CM16015]
Locality: Road-cut about 500 m north of Kamikatetsu, Kikai Island (Kikai Town), Kagoshima Prefecture [28°17.0'N, 129°56.8'E]
Horizon: Coral sand of Wan Formation of Ryukyu Group
Age: Late Pleistocene (N23, ca. 0.08 Ma, according to Sakanoue et al., 1967, and Oroura, 1983]
Collector: Yamaguchi and Hayami
Composition: N=1682, CV=1, RV=866, LV=815
Other confirmed fossil specimens of C. nux
IGPS no. 50357. Ryukyu Limestone at plateau near Kamikatetsu, Kikai Island, Kagoshima Prefecture. (type material of Pecten (.Aeguipecten) kikaiensis described by Nomura and Zinbo (1934))
IGPS no. 13369. [Cryptopecten mux sematensis (Oyama)] "Narita Bed at Takakura, Shitô Village, Chiba Prefecture" (pars) (collected by Yabe)
Recent samples
Sample Zs (N)
Locality: Zenisu, a sea bank southwest of Kôzushima Island (2 stations)
Collector: Okutani (R/V Soyo II)
Composition (integrated): N=3, RV=3
[Subsample Zs (8) (N)] [UMUT RM16016] (D50 by Okutani, 1972, 34°00.6'N, 138°50.2'E, 105 m) N=2, RV=2
[Subsample Zs (9) (N)] [UMUT RM16017] (unknown in detail) N=1, RV=1
Sample Ts (N) [UMUT RM16018]
Locality: Takase, a sea bank northwest of Niijima Island [D58 by Okutani, 1972, 34°26.7/N, 130°11.3'E, 95 m]
Collector: Okutani (R/V Soyo II)
Composition: N=2, LV=2
Sample Su (N) [UMUT RM16019]
Locality: Senoumi, a sea bank in Suruga Bay [St. 15 by Sanyo Suiro Co., 34°44'28"N, 138°31'19"E, 56m] (the same locality as sample Su (10))
Collector: Sanyo Suiro Co.
Composition: N=2, RV=1, LV=1
Sample An (N) [UMUT RM16020]
Locality: Mouth of Ise Bay, off Anori-Matoya [30m]
Collector: Hayashi (through fishery)
Composition: N=1, CV=1
Sample Km (N)
Locality: Shelf off Kushimoto of Kii Peninsula (4 stations)
Collector: Tsuchida
Composition (integrated): N=10, RV=7, LV=3
[Subsample Km (1) (N)] [UMUT RM16021] (off Kushimoto, 110-115 m) N=1, RV=1
[Subsample Km (2) (N)] [UMUT RM16022] (off Kushimoto, 80 m) N=1, LV=1
[Subsample Km (12) (N)] [UMUT RM16023] (off Kushimoto, 32m) N=2, RV=1, LV=1
[Subsample Km (13) (N)] [UMUT RM16024] (off Kushimoto, 60-80 m) N=6, RV=5, LV=1
Sample Bh (N) [UMUT RM16194]
Locality: off Panglao, Bohol Island, Philippines (unknown in detail)
Collector: Kase through a shell collector at Bohol
Composition: N=19, CV=19
Other confirmed Recent specimens of C. mux2)
USNM 718977. Faqhuar Group of Seychelles (9°36'N, 51°01'E, 80 m)
USNM 763466. Ditto (10°00'N, 51°15'E, 60 m)
USNM 719012. Ditto (9°41'N, 51°03'E)
USNM 718636. 80 miles east of Beira, Mozambique (19°51'S, 36°21'E, 62 m)
USNM 718625. Ditto (19°50'S, 36°21'E, 65 rn)
USNM 717132. 60 miles northeast of Durban, South Africa (29°11'S, 32°02'E)
USNM 763465. 35 miles west of Cape St. Andre, Madagascar (16°11'S, 43°42'E)
USNM 763464. 65 miles aouthwest of Cape St.
Andre, Madagascar (16°42'S, 43°19'E, 150-300 m)
USNM 763463. 50 miles southeast of Beira, Mozambique (20°30'S, 35°43'E, 62m)
USNM 763462. 40 miles northeast of Durban, South Africa (29°19'S, 32°00'E, 366 m)
USNM 763459. 160 miles southeast of Rodriques Island off Mauritius (21°21'S, 65°52'E)
USNM 763460. 80 miles south-southwest of Pontada Barra, Mozambique (24°49'S, 35°13'E, 73m)
USNM 764165. Al Ghardaqa, Egypt (Red Sea) (242 m)
USNM 762403. Lourence Marques, Indian Ocean (42 m)
USNM 764161. Andaman Island, India
USNM 764163. Amirante Island, southwest of Seychelles (34 fms)
USNM 761546a. 40 miles east of Quissico, Mozambique (110 m)
USNM 764203. [coast of south Mozambique] (24°53'S, 34°56'E, 55 m)
USNM 674222. [Ditto] (24°48'S, 34°59'E, 42 m)
USNM 348647. Cairns Reef, north Queensland, Australia (6-10 fms)
USNM 764159. Off Hope Island, Queensland, Australia (5-10 fms). Topotype of Chlamys corymbiatus.
USNM 764157. Hervey Bay, Queensland, Australia (30 fms)
USNM 764156. Cannonvale Beach, Whitsunday Passage, Queensland, Australia
USNM 764158. Singapore Island
USNM 299742, 299775, 299814. Off Sipadan Island, Sibuko B., Borneo (USBF Station 5586, 347 fms)
USNM 230228, 230314. Off Jolo Jolo, Philippines (USBF Station 5137, 20 fms)
USNM 235461. Ditto (USBF Station 5136, 22 fms)
USNM 235488. Northwest of Jolo Jolo, Philippines (USBP Station 5138, 19 fms)
USNM 235515. North off Jolo Jolo, Philippines (USBF Station 5139, 20 fms)
USNM 235589, 235596. Off Jolo Jolo, Philippines (USBF Station 5141, 29 fms)
USNM 235658, Northeast of Jolo Jolo, Philippines (USBF Station 5144, 19 fms)
USNM 235666, 235702, 235727, 235800, 235802. Off Jolo Jolo, Philippines (USBF Station 5145, 23 fms)
USNM 235834. Off Sulade Island, Tapul, Philippines (USBF Station 5146, 24 fms)
USNM 235989, 236004, 236005. Off Cacataau Island, Tawi Tawi, Philippines (USBF Station 5151, 24 fms)
USNM 236013. Off Tambagaau Island, Tawi Tawi, Philippines (USBF Station 5152, 34 fms)
USNM 236225. Off Bakun R. Tawi Tawi, Philippines (USBF Station 5159, 10 fms)
USNM 236566. Off Jolo Jolo, Philippines (USBF Station 5174, 20 fms)
USNM 236617, 236784. Off northeast of Tablas, Philippines (USBF Station 5179, 37 fms)
USNM 237035. Off northeast Burias, Philippines (USBF Station 5218, 20 fms)
USNM 237118, 237119. Davao Gulf, off Lannng Point, Philippines (USBF Station 5249, 23 fms)
USNM 237177. Davao Gulf, off Linao Point, Philippines (USBF Station 5251, 20 fms)
USNM 237210. Davao Gulf, off Linao Point, Philippines (USBF Station 5252, 28 fms)
USNM 237235. Pakiputau Strait, Mindanao, Philippines (USBF Station 5253, 28 froa)
USNM 237284, 237302, 237329. Davao Gulf, off Linao Point, Philippines (USBF Station 5254, 21 fms)
USNM 237384. Davao Gulf, off Dumalog Island, Philippines (USBF Station 5255, 100 fms)
USNM 237978. 17 miles northeast of Balabac Strait, Philippines (USBF Station 5355, 44 fais)
USNM 246693. Off Tataau Islands, Philippines (USBF Station 5154, 12 fms)
USNM 254209. Port Busin, Burias, Philippines
USNM 254284, 254285, 254286. South of Pangasinan, Philippines (USBF Station 5138, 19 fms)
USNM 254292. Gulf of Davao, Mindanao, Philippines (USBF Station 5253, 28 fms)
USNM 254932, 254935. Paldputan Strait, Philippines (USBF Station 5250, 23 fms)
USNM 257745, 257859. Off Tinakta Island, Tawi Tawi, Philippines (USBF Station 5161, 16 fms)
USNM 259883. Off Matacot Point, west Luzon, Philippines (USBF Station 5296, 210 fms)
USNM 283422. Off southeast Tawi Tawi, Philippines (USBF Station 5164, 18 fms)
USNM 292042. Off Sirun Island, Tawi Tawi, Philippines (USBF Station 5151, 24 fms)
USNM 292135. Off Tinakta Island, Tawi Tawi, Philippines (USBF Station 5156, 18 fms)
USNM 292230. Off Tinakta Island, Tawi Tawi, Philippines (USBF Station 5162, 230 fms)
USNM 292358, 292359. Off Point Origon, Tablas, Philippines (USBF Station 5178, 73 fms)
USNM 292450. Off Sulade Island, Sulu Archipelago, Philippines (USBF Station 5146, 24 fms)
USNM 292537. Off Sirun Island, Tawi Tawi, Philippines (USBF Station 5148, 17 fms)
USNM 293010. Off Tocanhi Point, Tawi Tawi, Philippines (USBF Station 5153, 49 fms)
USNM 293128. Southeast off Bancayan Island, Philippines (USBF Station 5192, 32 fms)
USNM 293169. Sogod Bay, Leyte, Philippines (USBF Station 5202, 502 fms)
USNM 293781. Off Baluk-Baluk Island, Sulu Archipelago, Philippines (USBF Station 5134, 25 fms)
USNM 293815. Off Jolo Jolo Island, Philippines (USBF Station 5140, 20 fms)
USNM 293989, 294004. Off Jolo Jolo Island, Philippines (USBF Station 5142, 21 fms)
USNM 294065. Off Jolo Jolo Island, Philippines (USBF Station 5143, 19 fms)
USNM 294099. Off Jolo Jolo Island, Philippines (USBF Station 5141, 29 fms)
USNM 294215. Off Corregidor, Philippines (USBF Station 5106, 37 fms)
USNM 294287. Off Jolo Jolo Island, Philippines (USBF Station 5144, 19 fms)
USNM 294479, 294503. Off Jolo Jolo Island, Philippines (USBF Station 5139, 20 fms)
USNM 294580, 294581. Ditto (USBF Station 5136, 22 fms)
USNM 295048, 295073, 295126. Off Tinakta Island, Tawi Tawi, Philippines (USBF Station 5159, 10 fms)
USNM 295318. Off Davao, Mindanao, Philippines (USBF Station 5255, 100 fms)
USNM 295343. Off Bongo Island, Illana Bay, Mindanao, Philippines (USBF Station 5257, 28 fms)
USNM 295750. Off Matocot Point, west Luzon, Philippines (USBF Station 5269, 220 fms)
USNM 295885. Ditto (USBF Station 5268, 170 fms)
USNM 296144. Off Maliivatuan Island, west Luzon, Philippines (USBF Station 5276, 18 fms)
USNM 296195. Ragay Gulf, off north Burias, Philippines (USBF Station 5218, 20 fms)
USNM 297577, 297605. Northeast off Balabac, Balabac Island, Philippines (USBF Station 5357, 68 fms)
USNM 298548. Off Cabugan Grande Island, east Leyte, Philippines (USBF Station 5481, 61 fms)
USNM 299072. Off Dammi Island, Sulu Archipelago, Philippines (USBF Station 5565, 243 fms)
USNM 299136. Off Simaluc Island, Tawi Tawi, Philippines (USBF Station 5569, 303 fms)
USNM 299259. Ditto. (USBF Station 5571, 340 fms)
USNM 299404, 299446. North off Tawi Tawi, Philippines (USBF Station 5577, 240 fms)
USNM 300408. Off Lauis Point, east Cebu, Philippines (USBF Station 5417, 165 fms)
USNM 302288. Off Pajumajan Island, Tawi Tawi, Philippines (USBF Station 5152, 34 fms)
USNM 311883, 311886, 312104, 312109, 312112. Ragay Gulf off north Burias, Philippines (USBF Station 5218, 20 fms)
USNM 431209. Off Jolo Jolo Island, Philippines (USBF Station 5138, 19 fms)
USNM 704253. Off Observatory Island, Linapacan Strait, Philippines (USBF Station 5334, 46 fms)
USNM 704252. Southeast off Bantayan Island, Philippines (USBF Station 5192, 32 fms)
USNM 704251. Off Baluk-Baluk Island, Philippines (USBF Station 5134)
USNM 764164. Jolo, Sulu Archipelago, Philippines (25 fms)
USNM 764162. Sacol, Mindanao, Philippines (65m)
USNM 704240. Off Tinakta Island, Tawi Tawi, Philippines (USBF Station 5161, 16 fms)
USNM 237707, 704254. Off Pratas Island, South China Sea (USBF Station 5311, 88 fms)
USNM 764160. Itoman, Okinawa, Japan (50 fms)
USNM 764155. Macclesfield Bank, South China Sea (40-45 fms)
USNM 774213. Off southeast Tawi Tawi, Philippines (USBF Station 5164, 18 fms)
USNM 774214. Off Baluk-Baluk Island, Sulu Archipelago, Philippines (USBF Station 5134, 25 fms)
USNM 774215. Off Jolo Jolo, Philippines (USBF Station 5144, 19 fms)
USNM 774216. Off Pratas Island, South China Sea (USBF Station 5314, 122 fms)
USNM 630953. Rnbaul, New Britain
USNM 807368. Bramble Island, Fly River, Papua
USNM 598694. Seaward (N) of western end of Bikini Island (11°38'33"N, 165°31'18"E)
USNM 764166. Bay of Traitors, Hivaoa Island, Marquesas Islands. Topotype of C. nux.
USNM 798270, 798271, 794201, 794210. South of Baie de Vaico, west coast of Ua Pou, Marquesas Islands
Specimens in M. Horikoshi's private collection.
Cebu, Philippines
Ditto. Bohol, Philippines (ca. 50 m)
Ditto. Rabaul, New Britain
Cryptopecten vesiculosus (Dunker) Fossil samples
Sample Sh 1 [UMUT CM16025]
Locality: Coast at the north of Shirahama Shrine, Shirahama, Shimoda City, Shizuoka Prefecture [34°41.5'N, 138°58.6'E]
Horizon: Medium-coarse sandstone of Harada Formation of Shirahama Group
Age: Middle Pliocene (N19, ca. 3.5 Ma)
Collector: Hirano and Hayami
Composition: N=229, NR=0, NQ=229, RV=101, LV=128
Sample Sh 2 [UMUT CM16026]
Locality: Outcrop at beach of Nagata, Shirahama, Shimoda City, Shizuoka Prefecture [34°41.7'N, 138°58.6'E]
Horizon: Conglomeratic coarse sandstone of Harada Formation of Shirahama Group
Age: Middle Pliocene (N19, ca. 3.5 Ma)
Collector: Hirano and Hayami
Composition: N=16, NR=0, NQ=16, RV=7, LV=9
Sample Ht [UMUT CM16027]
Locality: Southern coast of Cape Tsurukubi, Miyata, Hitachi City, Ibaraki Prefecture [36°35.7'N, 140°34.9'E]
Horizon: Coarse sandstone of Hitachi Formation of Taga Group
Age: Pliocene (unknown in datail)
Collector: Hayami
Composition; N=7, NR=0, NQ=7, RV=5, LV=2
Sample Iy [UMUT CM16028]
Locality: South of n pond, lshiyama, Amaha Town, Chiba Prefecture (Loc. 2 by Ohara and Takahashi, 1975) [35°11.8'N, 139°57.4'E]
Horizon: Coarse sandstone of Kurotaki Formation of Kazusa Group
Age: Late Pliocene (N21, 2.0-3.0 Ma)
Collector: Yamaguchi and Hayami
Composition: N=21, NR=0, NQ=21, RV=11, LV=10
Sample Nj
Locality: Chojagakubo, Kainigô-chô, Totsuliaku, Yokohama City (Loc, 326 by Shikama and Masujima, 1969) [35°20.3'N, 139°35.1'E]
Horizon: Medium sandstone of Nojima Formation of Kazusa Group
Age: Late Pliocene (unknown in detail)
Collector: Masujima
Composition: N=29, NR=0, NQ=29, RV=16, LV=13
Repository: Geological Institute, Faculty of Education, Yokohama National University
Sample Ik [UMUT CM16030]
Locality: Northern coast of Ikeijima Islet, Yonagusuku-son, Okinawa Island, Okinawa Prefecture [26°24.8'N, 128°00.0'E]
Horizon: Medium-coarse sandstone of Shinznto Formation of Shimajiri Group
Age: Late Pliocene (N21, 2.0-2.5 Ma)
Collector: Yabu, Yamaguchi, Tabuki and Hnyami
Composition: N=154, NR=0, NQ=154, CV=8,RV=73,LV=73
Sample Sw [UMUT CM16031]
Locality: Tanaka, Sawada Town, Sado Island, Niigata Prefecture [38°00.8'N, 138°16.7'E]
Horizon: Medium sandstone of Sawane Formation
Age: Pliocene? (unknown in detail)
Composition: N=3, NR=0, NQ=3, RV=1, LV=2
Sample Ne [UMUT CM16032]
Locality: Quarry at Byôbudani, west of Naoetsu, Jôetsu City, Niigata Prefecture [37°09.8'N, 138°13.0'E]
Horizon: Course sand of "Byôbudani Formation"
Age: Pliocene? (unknown in detail)
Collector: Yamaguchi and Hayami
Composition: N=32, NR=0, NQ=32, RV=14, LV=18
Sample Kg 1 [UMUT CM16033] [C. vesiculosus ntakiyamai sp. nov.]
Locality: West of Ugari, northeast of Yamanashi, Fukuroi City, Shizuoka Prefecture [34°47.5'N, 137°56.3'E]
Horizon: Fine silt of Hosoya Silt of Kakegawa Group
Age: Late Pliocene (N22, 1.9-2.4 Ma)
Collector: Matsukuma and Hayami
Composition: N=20, NR=0, NQ =20, RV=6, LV=14
Sample Kg 2 [UMUT CM16034] [C. vesiculosus makiyamai subsp. nov.]
Locality: West of Ugari, northeast of Yamanashi, Fukuroi City, Shizuoka Prefecture [34°47.6'N, 137°55.4'E]
Horizon: Fine silt of Hosoya Silt of Kakegawa Group
Age: Late Pliocene (N22, 1.9-2.4 Ma)
Collector: Hayami
Composition: N=6, NR=0, NQ=6, RV=4, LV=2
Sample Mz 1
Locality: Hagenoshita, west of Takanabe, Takanabe Town, Miyazaki Prefecture [32°08.6'N, 131°30.9'E] (same locality as MI-5528 by Shuto (1961))
Horizon: Fine sand of Takanabe Formation of Miyazaki Group
Age: Late Pliocene (unknown in detail)
Collector: Hayami
Composition N=5, NR=0, NQ=5, RV=2, LV=3
Remarks: This sample was used by Hayami (1973) but is now missing.
Sample Mz 2 [UMUT CM16035]
Locality: Outcrop near JNR railway bridge, south of Tôriyama-hama, Kawaminami Town, Miyazaki Prefecture [32°09.8'N, 131°32.9'E]
Horizon: Medium sand of Tôriyama Formation of Miyazaki Group
Age: Late Pliocene (unknown in detail)
Collector: Ozawa
Composition: N=13, NR=0, NQ=13, RV=7, LV=6
Sample Ob [UMUT CM16036]
Locality: Shimo-oyakebaru, Sashiki-son, Okinawa Island, Okinawa Prefecture [26°09.7'N, 127°46.9'E]
Horizon: Medium sand of Chinen Formation of Shimajiri Group
Age: Early Pleistocene (N22, 1.7-2.0 Ma)
Collector: Nohara
Composition: N=85, NR=0, NQ=85, RV=46,LV=39
Sample Oe [UMUT CM16037]
Locality: West coast of Okidomari, east of Cape Tamina, Okinoerabu Island, Kagoshima
Prefecture [27°23.7'N, 128°33.2'E]
Horizon: Coarse sand of Shimoshiro Formation of Ryukyu Group
Age: Pleistocene (unknown in detail)
Collector: Fujii
Composition: N=2, NR=0, NQ=2, RV=1, LV=1
Sample Tm 1
Locality: Road-cut, cast of Tsujimori, Sciwa Village, Chiba Prefecture [35°13.4'N, 140°01.9'E] (The indication of the locality of this sample (Tm) in Hnyami (1973, p. 403) is erroneous.)
Horizon: Coarse sand of Umegase (or Sakabata) Formation of Kazusa Group
Age: Middle Pleistocene (N22, 0.7-1.0 Ma)
Collector: Matsushima
Composition: N=36, NR=0, NQ=36, RV=20, LV=16
Repository: Geological Institute, Faculty of Education, Yokohama National University
Sample Tm 2 [UMUT CM16038]
Locality, horizon and age: Same as sample Tm 1
Collector: Yamaguchi and Hayami
Composition: N=11, NR=0, NQ =11, RV= 6, LV=5
Sample Ij 1 [UMUT CM16039]
Locality: Quarry at Shibahara, north of Ichijuku, Koito Town, Chiba Prefecture [35°16.2'N, 139°59.1'E]
Horizon: Coarse sand of Ichijuku Formation of Kazusa Group
Age: Middle Pleistocene (ca. 0.6 Ma)
Collector: Ohara
Composition: N=25, NR=0, NQ=25, RV=12, LV=13
ample Ij 2 [UMUT CM16040]
Locality horizon and age: Same as sample Ij 1
Collector: Hayami
Composition: N=8, NR=0, NQ=8, RV=4, LV=4
Sample Mt 1 [UMUT CM16041]
Locality: Northwest of Tsukuihama Station of Keihin Express Line, Nakakôji, Tsukui, Yokosuka City, Kanagawa Prefecture [35°11.8'N, 139°40.1'E]
Horizon: Medium sand of Miyata Formation
Age: Middle Pleistocene (unknown in detail)
Collector: Kase
Composition: N=10, NR=0, NQ=10, RV=4, LV=6
Sample Mt 2 [UMUT CM16187]
Locality, Horizon and age: Same as sample Mt 1
Collector: Ohta
Composition: N=5, NR=0, NQ=5, RV=2, LV=2
Sample Nk [UMUT CM16188]
Locality: About 500 m north of Furuyado, Shizuoka City [34°57.5'N, 138°27.4'E]
Horizon: Silty sand of Nekoya Formation
Age: Middle Pleistocene (unknown in detail)
Collector: Kondo
Composition: N=1, NR=0, NQ=1, RV=1
Snmpie Sn 1 (UMUT CM16042]
Locality: Southern coast cliff of Sasage, Ôsawa Town, Chiba Prefecture [35°14.2'N, 139°52.5'E]
Horizon: Medium sand of Sanuki Formation of Kazusa Group
Age: Middle Pleistocene (ca. 0.5 Ma)
Collector: Hayami
Composition: N=5, NR=2, NQ=3, RV=2 (0R+2Q), LV=3 (2R+1Q)
Sample Sn 2 [UMUT CM16043]
Locality: Southern coast of Sasage, Ôsawa Town, Chiba Prefecture [35°14.2'N, 139°52.5'E]
Horizon: Medium-coarse sand of Sanuki Formation of Kazusa Group
Collector: Ogose
Composition: N=28, NR=3, NQ=25, RV=17 (3R+14Q), LV=11 (0R+11Q)
Sample Sn 3 [UMUT CM16044]
Locality: Southern coast cliff of Sasage, Ôsawa Town, Chiba Prefecture [35°14.2'N, 139°2.5'E]
Horizon: Medium sand of Sanuki Formation of Kazusa Group
Age: Middle Pleistocene (ca. 0.5 Ma)
Collector: Ozawa
Composition: N=177, NR=41, NQ=136, RV=110 (28R+82Q), LV=67 (13R+54Q)
Sample Si [UMUT CM16189]
Locality: Tanibori, Nishi-ôwada, Futtsu City, Chiba Prefecture
Horizon: Sand of "Sunami Formation" (Loc. 7 of Ohara, 1973)
Age: Middle Pleistocene (? ca. 0.45 Ma)
Collector: Ohta
Composition: N=1, NR=0, NQ=1, RV=1
Sample Nn [UMUT CM16190]
Locality: Tengakuin, Takaya, Fujisawa City, Kanagawa Prefecture
Horizon: Sand of "Naganuma Formation"
Age: Late Pleistocene (unknown in detail)
Collector: Ohta
Composition: N=1, NR=0, NQ=1, LV=1
Sample Hg [UMUT CM16045]
Locality: South of a pond, Kôri Dam, Kimitsu City, Chiba Prefecture (Loc. 1B by Ohara, 1973) [35°17.8'N, 139°54.7'E]
Horizon: Coarse sand of "Higashiyatsu Formation" (N=Jizôdô Formation of Shimôsa Group)
Age: Late Pleistocene?
Collector: Ozawa, Yamaguchi and Hayiuni
Composition: N=55, NR=9, NQ=46, RV=47 (8R+39Q), LV=8 (1R+7Q)
Sample Ny 1 [UMUT CM16046]
Locality: Road-cut of the slope, north of Nishiyatsu, Koito Town, Chiba Prefecture [35°18.6'N, 139°59.0'E]
Horizon: Medium-coarse sand of Jizôdô Formation of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Ogose
Composition: N=94, NR=12, NQ=82, RV=63 (8R+55Q), LV=31 (4R+27Q)
Sample Ny 2 [UMUT CM16047]
Locality: Road-cut of the slope, north of Nishiyatsu, Koito Town, Chiba Prefecture [35°18,6'N, 139°59,0'E]
Horizon: Medium-coarse sand of Jizôdô Formation of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Ohara
Composition: N=55, NR=11, NQ=44, RV=35 (9R+26Q), LV=20 (2R+18Q)
Sample Ny 3 [UMUT CM16048]
Locality: Road-cut of the slope, north of Nishiyatsu, Koito Town, Chiba Prefecture [35°18.6'N, 139°59.0'E]
Horizon: Medium sand of Jizôdô Formation of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Yamaguchi and Hayami
Composition: N=20, NR=5, NQ=15, RV=13 (4R+9Q), LV=7 (1R+6Q)
Sample Ny 4 [UMUT CM16049]
Locality: East of Nishiyatsu, Koito Town, Chiba Prefecture [35°18,8'N, 139°59.1'E]
Horizon: Medium sand of Jizôdô Formation of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Hayami
Composition: N=62, NR=10, NQ=52, RV=15 (3R+12Q), LV=47 (7R+40Q)
Sample Jz [UMUT CM16050]
Locality: Road-cut, east of a shrine, Jizôdô, Kisarazu City, Chiba Prefecture [35°22.0'N, 140°05.9'E]
Horizon: Coarse sand of Jizôdô Formation of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Akutsu, Yamaguchi and Hayami
Composition: N=1731, NR=218, NQ=1513, RV=819 (104R+715Q), LV=912 (114R+798Q)
Sample Ic [UMUT CM16079]
Locality: East of Ichinosawa, Kisarazu City, Chiba Prefecture [35°20.8'N, 140°04.2'E]
Horizon: Medium sand of Jizôdô Formation of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Ohta
Composition: N=107, NR=16, NQ=91, RV=46 (5R+41Q), LV=61 (11R+50Q)
Sample Ab 1 [UMUT CM16051]
Locality: East of Atebi, Kisarazu City, Chiba Prefecture [35°21.4'N, 140°05.4'E]
Horizon: Medium sand of Jizôdô Formation (lower fossil bed) of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Yamaguchi and Hayami
Composition: N=713, NR=129, NQ=584, RV=326 (63R+263Q), LV=387 (66R+321 Q)
Sample Ab 2 [UMUT CM16052]
Locality: East of Atebi, Kisarazu City, Chiba Prefecture [35°41.4'N, 140°05.4'E]
Horizon: Medium sand of Jizôdô Formation (upper fossil bed) of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.37 Ma)
Collector: Yamaguchi and Hayami
Composition: N=315, NR=43, NQ=272, CV=2 (1R+1Q), RV=122 (16R+106Q), LV=191 (26R+165Q)
Sample Nm [UMUT CM16053]
Locality: Cliff along a small valley, southeast of Mushikubo, Ôiso Town, Kanagawa Prefecture [35°18.8'N, 139°16.7'E]
Horizon: Mediurn-coarae sand of Ninomiya Formation
Age: Late Pleistocene (unknown in detail)
Collector: Ozawa and Hayami
Composition: N=24, NR=6, NQ=18, RV=16 (4R+12Q), LV=8 (2R+6Q)
Sample Sm [UMUT CM16054]
Locality: Lower part of a cliff, Semata-no-seki, east of Ochishimoshinden, Toki Town, Chiba Prefecture [35°31.S'N, 140°13.7'E]
Horizon: Medium sand of Yabu Formation (layer E of Ohara, 1968a) of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.29 Ma)
Collector: Ohara, Akutsu and Hayami
Composition: N=250, NR=39, NQ=211, RV=126 (20R+106Q), LV=124 (19R+105Q)
Sample Tn [UMUT CM16055]
Locality: litomi, Sodegaura Town, Chiba Prefecture [35°24.9'N, 139°59.5'E]
Horizon: Medium sand of Kioroshi Formation (Toyonari Member) of Shimôsa Group
Age: Late Pleistocene (N23, ca. 0.15 Ma)
Collector: Yamaguchi
Composition: N=2, NR=0, NQ=2, RV=2 (0R+2Q)
Sample Ys [UMUT CM16056]
Locality: Unoki, Yoshida Village, Kagoshima Prefecture [31°44.3'N, 130°33.4'E]
Horizon: Medium-coarse sand of Yoshida Formation (Yoshida Shell Bed)
Age: Late Pleistocene (unknown in detail)
Collector: Students of Kagoshima University
Composition: N=14, NR=5, NQ=9, RV=8 (4R+4Q), LV=6 (2R+4Q)
Sample Ms [UMUT CM16057]
Locality: Moeshima (Niijima) Islet in Kinkô Bay, Kagoahima City, Kagoshima Prefecture [31°36.9/N, 130°43.5'E]
Horizon: Medium sand of Moeshima Shell Bed
Age: Holocene (2720 ± 65 years B. P., according to Y. Matsushima's personal communication)
Collector: Shuto, Matsukuma, Kamcyama, Okaguchi, Yamaguchi and Hayami
Composition: N=1410, NR=300, NQ=1110, RV=716 (162R+554Q), LV=694 (138R+556Q)
Other confirmed fossil specimens of C. vesiculosus
UMUT CM22310. "Lower Musashino Bed at Sukegawa (Tsurushihama)" [Taga Group at the south of Cape Tsurushi, Hitachi City, Ibaraki Prefecture] (described by Yokoyama, 1925)
UMUT CM21557. "Upper Musashino Bed at Shitô [probably Yabu Formation at Ochishimoshinden, Toki Town, Chiba Prefecture] (described by Yokoyama, 1922)
UMUT CM20549-20552. "Koshiba Bed at Koshiba" [Koshiba Formation at Kanazawa-shiba-machi, Kanazawa-ku, Yokohama City] (described by Yokoyama, 1911, 1920)
IGPS no. 45457. "Mandano Lignite Bed at Man-dano-yama, Kimitsu County, Chiba Prefecture" (collected by Ueda)
IGPS no. 45685. "Kiyokawa Bed, Tambara, Makuda Village, Chiba Prefecture" (collected by Ueda)
IGPS no. 46025. "Kiwada Bed at the cast of Takataki River, Oikawa Village, Chiba Prefecture" (collected by Ueda)
IGPS no. 43144. "Kiwada Bed at the west of Nako Primary School, Nako, Chiba Prefecture" (collected by Ueda)
IGPS no. 24186. "Umeetise Bed at Futaire, Mishima Village, Chiba Prefecture" (collected by Ueda)
IGPS no. 25162. "Umcgaso Bed at the east of Nishihigasa, Akimoto Village, Chiba Prefecture" (collected by Ueda)
IGPS no. 24907. "Kushiba Bed at Yamanouchi, Kosaka Village near Kamakura, Kanagawa Prefecture" (collected by Ueda)
IGPS no. 14973. "Miyata Bed at Shimomiyata, Hatsuse Village, Kanagawa Prefecture"
IGPS no register number. Hayakawa Tuff at the south of Sukumogawa, Hakone Town, Kanagawa Prefecture
IGPS no. 75331. Nekoya Formation at Nakahiramatsu, Kunfi Village, Shizuoka Prefecture (collected by Nijo)
Ogasawara's private collection. Shibikawa Formation at Tayazawa, Oga City, Akita Prefecture
Ogasawara's private collection. Nobori Pormntion at Norobi, Muroto City, Kochi Prefecture
Kyushu University Collection (GK-L4858, 4905). Takanabc Member of Miyazaki Group at Hagenoshita, Uwaye Village, Miyazaki Prefecture and at Kizukume, Tonda Village, Miyazaki Profecture (described by Shuto, 1973)
Recent samples
Sample Tt
Locality: Tateyama Bay, Boso Peninsula (unknown in detail)
Collector: unknown
Composition: N=23, NR=8, NQ=15, RV=11 (3R+8Q), LV=12 (5R+7Q)
Repository: Institute of Geology and Palaeontology, Tohoku University
Sample Kz [UMUT RM16058]
Locality: Uraga Strait (mouth of Tokyo Bay), about 2 km east of Cape Kenzaki of Miura Peninsula [35°08.6'N, 139°42.0'E]
Collector: Okutani (R/V Soyo II)
Composition: N=2, NR=1, NQ=1. CV=2 (1R+1Q)
Sample Hy [UMUT RM16059]
Locality Sagami Bay, off west coast of southern part of Miura Peninsula (several stations)
Collector: His Majesty the Emperor of Japan
Composition (integrated): N=352, NR=159, NQ=193, CV=38 (20R+18Q), RV=124 (56R+68Q), LV=190 (83R+107Q)
Sample Jg
Locality: Eastern part of Sagami Bay, about 2 km west of the western end of Jôgashima Islet (26 dredge samples at nearly the same station) [35°07.9'N, 139°35.1'E, 80-90 m]
Collector: Hayami et al (R/V Rinkai) Composition (integrated): N= 10734, NR=4547, NQ=6187, CV=228 (113R+115Q), RV=5370 (2235R+3135Q), LV=5136 (2199R+2937Q)
[Subsample Jg (1)] [UMUT RM16060] N=524, Na=215, NQ=309, CV=10 (8R+2Q), RV=268 (103R+165Q), LV=246 (104R+142Q)
[Subsample Jg (2)] [UMUT RM16061] N=729, NR=305,NQ=424, CV=21 (10R+11Q), RV=375 (158R+217Q), LV=333 (137R+196Q)
[Subsample Jg (3)] [UMUT RM16062] N=807, NR=337, NQ=470, CV=11 (8R+3Q), RV=408 (166R+242Q), LV=388 (163R+225Q)
[Subaample Jg (4)] [UMUT RM16063] N=669, NR=280, NQ=389, CV=18 (10R+8Q), RV=345 (130R+215Q), LV=306 (140R+166Q)
[Subsample Jg (5)] [UMUT RM16064] N=358, NR=170, NQ=188, CV=5 (3R+2Q), RV=178 (92R+86Q), LV=175 (75R+100Q)
[Subsample Jg (6)] [UMUT RM16065] N=564, NR=224, NQ=340, CV=4 (1R+3Q), RV=227 (114R+163Q), LV=283 (109R+174Q)
[Subsample Jg (7)] [UMUT RM16066] N=1078, NR=641, CV=29 (11R+18Q), RV=526 (211R+315Q), LV=523 (215R+308Q)
[Subsample Jg (8)] [UMUT RM 16067] N=1838, NR=792, NQ=1046, CV=29 (12R+17Q), RV 881 (364R+517Q), LV=928 (416R+512Q)
[Subsample Jg (9)] [UMUT RM16068] N=1606, NR=730, NQ=876, CV=33 (16R+17Q), RV=797 (347R+450Q), LV=776 (367R+409Q)
[Subsample Jg (10)] [UMUT RM16069] N=621, NH=242, NQ=379, CV=3 (1R+2Q), RV=329 (127R+202Q), LV=289 (114R+750Q)
[Subsample Jg (11)] [UMUT RM16070] N=567, NR=245, NQ=322, CV=1 (0R+1Q), RV=288 (125R+163Q), LV=278 (120R+158Q)
[Subsample Jg (12)] [UMUT RM16071] N=87, NR=32, NQ=55, CV=2 (2R+0Q), RV=45 (16R+29Q), LV=40 (14R+26Q)
[Subsample Jg (13)] [UMUT RM16072] N=510, NR=223, NQ=287, CV=2 (2R+0Q), RV=275 (133R+142Q), LV=255 (88R+145Q)
[Subsample Jg (14)] [UMUT RM16073] N=322, NR=118. NQ=204, CV=1 (1R+0Q), RV=170 (63R+107Q), LV=151 (54R+97Q)
[Subsample Jg (15)] [UMUT RM16074] N=396, NR=169, NQ=227, CV=1 (0R+1Q), RV=208 (86R+122Q), LV=187 (83R+104Q)
[Subsample Jg (16)] [UMUT RM16172] N=4, NR=2, NQ=2, CV=4 (2R+2Q) (Dead shells numerous but not counted)
[Subsample Jg (17)] [UMUT RM16173] N=6, NR=2, NQ=4, CV=6 (2R+4Q) (Dead shells numerous but not counted)
[Subsample Jg (18)] [UMUT RM16174] N=5, NR=5, NQ=0, CV=5 (5R+OQ) (Dead shells numerous but not counted)
[Subsample Jg (19)] [UMUT RM16175] N=11, NR=4, NQ=7, CV=11 (4R+7Q) (Dead shells numerous but not counted)
[Subsample Jg (20)] [UMUT RM16176] N=19, NR=8, NQ=11, CV=19 (8R+11Q) (Dead shells numerous but not counted)
[Subsample Jg (21)] [UMUT RM16177] N=13, NR=7, NQ=2, CV=13 (7R+6Q) (Dead shells numerous but not counted)
[Subsample Jg (22)] [UMUT RM16178] N=5, NR=3, NQ=2, CV=5 (3R+2Q) (Dead shells numerous but not counted)
[Subsample Jg (23)] [UMUT RM16179] N=8, NR=1, NQ=7, CV=8 (1R+7Q) (Dead shells numerous but not counted)
[Subsample Jg (24)] [UMUT RM16191] N=10, NR=4, NQ=6, CV=10 (4R+6Q) (Dead shells numerous but not counted)
[Subsample Jg (25)] [UMUT RM16192] N=10, NR=6, NQ=4, CV=10 (6R+4Q) (Dead shells numerous but not counted)
[Subsample Jg (26)] [UMUT RM16193] N=6, NR=2, NQ=4, CV=6 (2R+4Q) (Dead shells numerous but not counted)
Sample Ma [UMUT RM16075]
Locality: Eastern part of Sagami Bay, 5 km west of the western end of Jôgashima Islet
[35°08.5'N, 139°33.7'E, 105 m] Collector: Hayami et al. (R/V Rinkai) Composition: N=70, NR=26, NQ=44, CV=1 (1R+0Q), RV=43 (14R+29Q), LV=26 (11R+15Q)
Sample Am [UMUT RM16076] Locality: Eastern part of Sagami Bay, Minamiamadaiba about 7 km west of Cape Arasaki
[35°11.6'N, 139°32.0'E, 110 m] Collector: Hayami et al. (R/V Rinkai) Composition: N= 223, NR = 87, NQ=136, RV=125 (50R+75Q), LV=98 (37R+61Q)
Sample Aj
Locality: Western part of Sagami Bay, off the coast between Ajiro and Usami of Izu Peninsula (2 stations)
Collector: Okutani (R/V Soyo II) Composition (integrated) :.N=3, NR=1, NQ=2, CV=3 (1R+2Q)
[Subsample Aj (1)] [UMUT RM16077] (T10 by Okutani, 35°00.5'N, 139°08.1'E, 105 m) N=2, NR=0, NQ=2, CV=2 (0R+2Q)
[Subsample Aj (2)] [UMUT RM16078] (T18 by Okutani, 35°02.5'N, 139°08.0'E, 90 m) N=1, NR=1, NQ=0, CV=1 (1R+0Q)
Sample Os
Locality: Sagami Bay, off Okada Harbor, Oshima (KT73-5 St. T (2nd), 34°48'20"N, 139°23'67"E-34°48'42"N, 139°23'02"E, 109-116 m)
Collector: Ohta (R/V Tansei)
Composition: N=2, NR=2, NQ=0, CV=2 (2R+0Q)
Repository: Ocean Research Institute, University of Tokyo
Sample Zs
Locality: Zenisu, a sea bank southwest of Kôzu Island (9 stations)
Collector: Okutani (R/V Sôyô II)
Composition (integrated): N=101, NR=40, NQ=61, CV=9 (5R+4Q), RV=59 (24R+35Q), LV=33 (11R+22Q)
[Subsample Zs (1)] [UMUT RM16080] (St. 32 by Okutani, 1972, 34°00.8'N, 138°50.8'E, 113 m) N=14, NR=3, NQ=11, CV=1 (0R+1Q), RV=9 (3R+6Q), LV=4 (0R+4Q)
[Subsample Zs (2)] [UMUT RM16081] (D21 by Okutani, 1972, 34°02.1'N, 138°51.5'E, 125m) N=2, NR=1, NQ=1, RV=1 (1R+0Q), LV=1 (0R+1Q)
[Subsample Zs (3)] [UMUT RM16082] (D22 by Okutani, 1972. 34°00.8'N, 138°50.8'E, 110 m) N=8, NR=6, NQ=2, CV=2 (2R+0Q), RV=4 (2R+2Q), LV=2 (2R+0Q)
[Subsample Zs (4)] [UMUT RM16083] (D23 by Okutani, 1972, 34°00.1'N, 138°51.0'E, 90 m) N=20, NR=8, NQ=12, CV=4 (2R+2Q), RV=8 (4R+4Q), LV=8 (2R+6Q)
[Subsample Zs (5)] [UMUT RM16084] (D24 by Okutani, 1972, 33°59.1'N, 138°50.9'E, 80 m) N=7,NR=3, NQ=4, RV=1 (1R+0Q), LV=6 (2R+4Q)
[Subsample Zs (6)] [UMUT RM1608S] (D47 by Okutani, 1972, 33°53.9'N, 138°51.0'E, 150 m) N=10, NR=4, NQ=6, RV=8 (3R+5Q), LV=2(1R+1Q)
[Subsample Zs (7)] [UMUT RM16086] (D49 by Okutani, 1972, 33°58.7'N, 138°51.5'E, 100 m) N=7, NR=1, NQ=6, RV=6 (1R+5Q), LV=1 (0R+1Q)
[Subsample Zs (8)] [UMUT RM16087] (D50 by Okutani, 1972, 34°00,6'N, 138°50.2'E, 106 m) N=10, NR=3, NQ=7, CV=2 (1R+1Q), RV=4 (1R+3Q), LV=4 (1R+3Q)
[Subsample Zs (9)] [UMUT RM16088] (unknown in detail) N=23, NR=11, NQ=12, RV=18 (8R+10Q), LV=5 (3R+2Q)
Sample Hs
Locality: Hyôtanse, a sea bank west of Niijima Island (8 stations)
Collector: Okutani (R/V Sôyô II)
Composition (integrated): N=45, NR=20 NQ=25, CV=1 (0R+1Q), RV=26 (10R+16Q), LV=18 (10R+8Q)
[Suhsample Hs (1)] [UMUT RM16089] (St. 16 by Okutani, 1972, 34°22.0'N, 139°04.4'E, 125 m) N=2, NR=1, NQ=1, RV=1 (1R+0Q), LV=1 (0R+1Q)
[Subsample Hs (2)] [UMUT RM16090] (St. 25 (1) by Okutani, 1972, 34°20.2'N, 139°02.8'E, 120-125 m) N=1, NR=0, NQ=1, CV=1 (0R+1Q)
[Subsample Hs (3)] [UMUT RM16091] (D15 by Okutani, 1972, 34°21.1'N, 139°03.8'E, 170 m) N=4, NR=4, NQ=0, RV=1 (1R+0Q), LV=3 (3R+0Q)
[Subsample Hs (4)] [UMUT RM16092] (D16 by Okutani, 1972, 34°22.2'N, 139°05.0'E, 140 m) N=8, NR=3, NQ=5, RV=5 (2R+3Q), LV=3 (1R+2Q)
[Subsample Hs (5)] [UMUT RM16093] (D28 by Okutani, 1972, 34°20.9'N, 139°03.6'E, 115-120 m) N=9, NR=3, NQ=6, RV=6 (1R+5Q), LV=3 (2R+1Q)
[Subsample Hs (6)] [UMUT RM16094] (D52 by Okutani, 1972, 34°20.9'N, 139°03.0'E, 135 m) N=8, NR=5, NQ=3, RV=6 (3R+3Q), LV=2 (2R+5Q)
[Subsample Hs (7)] [UMUT RM16095] (D53 by Okutani, 1972, 34°22.1'N, 139°05.4'E, 117 m) N=11, NR=4, NQ=7, RV=6 (2R+4Q), LV=5 (2R+3Q)
[Subsample Hs (8)] [UMUT RM16096] (D55 by Okutani, 1972, 34°21.0'N, 139°05.7'E, 220 m) N=2, NR=0, NQ=2, RV=1 (0R+1Q), LV=1 (0R+1Q)
Sample Ts
Locality: Takase, a sea bank northwest of Niijima Island (11 stations)
Collector: Okutani (R/V Sôyô II) and Hayami et al. (R/V Tansei)
Composition (integrated): N=241, NR=107, NQ=134, CV=3 (1R+2Q), RV=128 (60R+68Q), LV=110 (46R+64Q)
[Subsample Ts (1)] [UMUT RM16097] (D17 by Okutani, 1972, 34°26.1'N, 139°11.9'E, 80-110 m), N=1, NR=0, NQ=1, RV=1 (0R+1Q)
[Subsample Ts (2)] [UMUT RM16098] (D19 by Okutani, 1972, 34°27.5'N, 139°12.4'E, 100 m) N=9, NR=7, NQ=2, CV=1 (0R+1Q), RV=6 (5R+1Q), LV=2 (2R+0Q)
[Subsample Ts (3)] [UMUT RM16099] (D31 by Okutani, 1972, 34°27.5'N, 139°12.5'E, 120-200 m) N=2, NR=0, NQ=2, CV=1 (0R+1Q), RV=1 (0R+1Q)
[Subsample Ts (4)] [UMUT RM16100] (D32 by Okutani, 1972, 34°28.3'N, 139°11.4'E, 110 m) N=4, NR=1, NQ=3, RV=3 (1R+2Q), LV=1 (0R+1Q)
[Subsample Ts (5)] [UMUT RM16101] (D34 by Okutani, 1972, 34°26.5'N, 139°10.3'E, 70 m) N=3, NR=2, NQ=1, CV=1 (1R+0Q), RV=1 (0R+1Q), LV=1 (1R+0Q)
[Subsample Ts (6)] [UMUT RM16102] (D35 by Okutani, 1972, 34°26.8'N, 139°12.2'E, 95-105 m) N=5, NR=3, NQ=2, RV=3 (1R+2Q), LV=2 (2R+0Q)
[Subsample Ts (7)] [UMUT RM16103] (D56 by Okutani, 1972, 34°27.7'N, 139°10.0'E, 180-200 m) N=6, NR=2, NQ=4, RV=3 (1R+2Q), LV=3 (1R+2Q)
[Subsample Ts (8)] [UMUT RM16104] (D58 by Okutani, 1972, 34°26.7'N, 139°11.3'E, 95 m) N=65, NR=25, NQ=40, RV=39 (15R+24Q), LV=26 (10R+16Q)
[Subsample Ts (9)] [UMUT RM16105] (D59 by Okutani, 1972, 34°28.4'N, 139°11.2'E, 95 m) N=22, NR=9, NQ=13, RV=6 (4R+2Q), LV=16 (5R+11Q)
[Subsample Ts (10)] [UMUT RM16106] (D60 by Okutani, 1972, 34°28.4'N, 139°12.9'E, 170-210 m) N=8,NR=3,NQ=5, RV=5 (2R+3Q), LV=3 (1R+2Q)
[Subsample Ts (11)] [UMUT RM16107] (KT78-2-Ta 1, 34°27.6'N, 139°12.4'E, 100 m) N=116, NR=55, NQ=61, RV=60 (31R+29Q), LV=56 (24R+32Q) Sample Hk [UMUT RM16108]
Locality: Eastern part of Suruga Bay, off Cape Hakachi (KT81-5-T-110, 34°55.0'N, 138° 46.1'E, 110 m)
Collector: Kitazato et al. (R/V Tansei)
Composition: N=4, NR=1, NQ=3, CV=4 (1R+3Q)
Sample Su
Locality: Senoumi, a sea bank in western part of Suruga Bay (29 stations)
Collector: Sanyo Suiro Co. and Imajima et al. (R/V Tansei)
Composition (integrated): N=1650, NR=660, NQ=990, RV=773 (320R+453Q), LV=877 (340R+537Q)
[Subsample Su (1)] [UMUT RM16109] (St. 2 by Sanyo Suiro, 34°45'15'N, 138°31'48"E, 137 m) N=10, NR=2, NQ=8, RV=6 (1R+5Q), LV=4 (1R+3Q)
[Subsample Su (2)] [UMUT RM16110] (St. 3 by Sanyo Suiro, 34°45'04"N, 138°31'38"E, 107 m) N=18, NR=6, NQ=12, RV=10 (1R+9Q), LV=8 (5R+3Q)
[Subsample Su (3)] [UMUT RM16111] (St. 4 by Sanyo Suiro, 34°45'04"N, 138°31'38"E, 69 m) N=72, NR=29, NQ=43, RV=31 (15R+16Q), LV=41 (14R+27Q)
[Subsample Su (4)] [UMUT RM16112] (St. 7 by Sanyo Suiro, 24°45'03"N, 138°30'25"E, 74 m) N=29. NR=9, NQ=20, RV=14 (6R+8Q), LV=15 (3R+12Q)
[Subsample Su (5)] [UMUT RM16113] (St. 8 by Sanyo Suiro, 34°44'50"N, 138°30'31"E, 60 m) N=7, NR=2, NQ=5, RV=4 (2R+2Q), LV=3 (0R+3Q)
[Subsample Su (6)] [UMUT RM16114] (St. 9 by Sanyo Suiro, 34°43'45''N, 138°30'31'E, 61 m) N=13, NR=5, NQ=8, RV=7 (4R+3Q), LV=6 (1R+5Q)
[Subsample Su (7)] [UMUT RM16115] (St. 11 by Sanyo Suiro, 34°44'46"N, 138°31'24"E, 54 m) N=10, NR=4, NQ=6, RV=4 (1R+3Q), LV=6 (3R+3Q)
[Subsample Su (8)] [UMUT RM16116] (St. 12 by Sanyo Suiro, 34°44'46"N, 138°31'49"E, 61 m) N=9, NR=4, NQ=5, RV=4 (2R+2Q), LV=5 (2R+3Q)
[Subsample Su (9)] [UMUT RM16117] (St. 13 by Sanyo Suiro, 34°44'22"N, 138°32'16"E, 84 m) N=157, NR=67, NQ=90, RV=85 (42R+43Q), LV=72 (25R+47Q)
[Subsample Su (10)] [UMUT RM16118] (St. 15 by Sanyo Suiro, 34°44'28"N, 138°31'19"E, 56 m) N=95, NR=41, NQ=54, RV=44 (22R+22Q), LV=51 (19R+32Q)
[Snbsample Su (11)] [UMUT RM16119] (St. 16 by Sanyo Suiro, 34°44'32"N, 138°30'53"E, 48 m) N=8, NR=3, NQ=5, RV=1 (1R+0Q), LV=7 (2R+5Q)
[Subsample Su (12)] [UMUT RM16120] (St. 17 by Sanyo Suiro, 34°44'26"N, 138°30'24"E, 53 m) N=69, NR=29, NQ=40, RV=27 (7R+20Q), LV=42 (22R+20Q)
[Subsample Su (13)] [UMUT RM16121] (St. 18 by Sanyo Suiro, 34°44'22"N, 138°29'57"E, 63 m) N=109, NR=47, NQ=62, RV=41 (18R+23Q), LV=68 (29R+39Q)
[Subsample Su (14)] [UMUT RM16122] (St. 19 by Sanyo Suiro, 34°43'55"N, 138°29'27"E, 64 m) N=11, NR=4, NQ=7, RV=7 (3R+4Q), LV=4 (1R+3Q)
[Subsample Su (15)] [UMUT RM16123] (St. 20 by Sanyo Suiro, 34°43'58"N, 138°30'30"E, 57 m) N=9, NR=5, NQ=4, RV=3 (2R+1Q), LV=6 (3R+3Q)
[Subsample Su (16)] [UMUT RM16124] (St. 21 by Sanyo Suiro, 34°43'57"N, 138°30'47"E, 57 m) N=31, NR=13, NQ=18, RV=15 (6R+9Q), LV=16 (7R+9Q)
[Subsample Su (17)] [UMUT RM16125] (St. 22 by Sanyo Suiro, 34°43'59"N, 138°31'24"E, 59 m) N=12, NR=4, NQ=8, RV=6 (2R+4Q), LV=6 (2R+4Q)
[Subsample Su (18)] [UMUT RM16126] (St. 23 by Sanyo Suiro, 34°44'14"N, 138°31'27"E, 64 m) N=3, NR=0, NQ=3, RV=1 (0R+1Q), LV=2 (0R+2Q)
[Subsample Su (19)] [UMUT RM16127] (St. 24 by Sanyo Suiro, 34°43'59"N, 138°32'09"E, 63 m) N=4, NR=0, NQ=4, RV=2 (0R+2Q), LV=2 (0R+2Q)
[Subsample Su (20)] [UMUT RM16128] (St. 25 by Sanyo Suiro, 34°43'49"N, 138°30'07"E, 70 m) N=110, NR=42, NQ=68, RV=47 (17R+30Q), LV=63 (25R+38Q)
[Subsample Su (21)] [UMUT RM16129] (St. 26 by Sanyo Suiro, 34°43'35"N, 138°30'54'E, 64 m) N=100, NR=51, NQ=49, RV=45 (23 R 22Q), LV=55 (28R+27Q)
[Subsample Su (22)] [UMUT RM16130] (St. 27 by Sanyo Suiro, 34°43'40"N, 138°31'20"E, 74 m) N=110, NR=41, NQ=69, RV=59 (18R+41Q), LV=51 (23R+28Q)
[Subsample Su (23)] [UMUT RM16131] (St. 28 by Sanyo Suiro, 34°43'44"N, 138°31'49''E, 71 m) N=54, NR=20, NQ=34, RV=22 (8R+14Q), LV=32 (12R+20Q)
[Subsample Su (24)] [UMUT RM16132] (St. 29 by Sanyo Suiro, 34°43'27"N, 138°32'11"E, 95 m) N=24, NR=11, NQ=13, RV=12 (5R+7Q), LV=12 (6R+6Q)
[Subsample Su (25)] [UMUT RM16133] (St. 30 by Sanyo Suiro, 34°43'2l"N, 138°32'17"E, 106 m) N=27, NR=7, NQ=20, RV=11 (2R+9Q), LV=16 (5R+11Q)
[Subsample Su (26)] [UMUT RM16134] (St. 31 by Sanyo Suiro, 34°43'16"N, 138°31'08"E, 87 m) N=20, NR=10, NQ=10, RV=9 (3R+6Q), LV=11 (7R+4Q)
[Subsample Su (27)] [UMUT RM16135] (St. 32 by Sanyo Suiro, 34°43'32"N, 138°29'49"E, 105 m) N=22, NR=7, NQ=15, RV=13 (6R+7Q), LV=9 (1R+8Q)
[Subsample Su (28)] [UMUT RM16136] (St. 33 by Sanyo Suiro, 34°43'19"N, 138°29'32"E, 75 m) N=14, NR=6, NQ=8, RV=7 (2R+5Q), LV=7 (4R+3Q)
[Subsample Su (29)] [UMUT RM16137] (KT78-2-Z6,34°43.5'-34°43.8'N, 138°30.6'E, 70-71 m) N=493, NR=188, NQ=305, RV=236 (101R+135Q), LV=257 (90R+167Q)
Sample Is [UMUT RM16138] Locality: Mouth of Ise Bay off Cape Anori of Shima Peninsula (ca. 100 m)
Collector: Hayashi (through fishery at Isshiki Town in Aichi Prefecture) Composition (integrated): N=312, NR=143, NQ=169, CV=312 (143R+169Q)
Sample Km
Locality: Shelf off Kushimoto and Shimoura, southern part of Kii Peninsula (11 stations)
Collector: Tsuchida
Composition (integrated): =131, NR=44, NQ=87, CV=4 (1R+3Q), RV=61 (20R+41Q), LV=66 (23R+43Q)
[Subsample Km (1)] [UMUT RM16139] (off Kushimoto, 110-115 m) N=89, NR=31, NQ=58, RV=41 (13R+28Q), LV=48 (18R+30Q)
[Subsample Km (2)] [UMUT RM16140] (off Kushimoto, 80 m) N=26, NR=9, NQ=17, RV=17 (5R+12Q), LV=9 (4R+5Q)
[Subsample Km (3)] [UMUT RM16141] (off Kushimoto, 80 m) N=4, NR=1, NQ=3, LV=4 (1R+3Q)
[Subsample Km (4)] [UMUT RM16142] (off Kushimoto, 100 m) N=2, NR=1, NQ=1, CV=2 (1R+1Q)
[Subsample Km (5)] [UMUT RM16143] (off Kushimoto, 120 m) N=2, NR=0, NQ=2, RV=1 (0R+1Q), LV=1 (0R+1Q)
[Subsample Km (6)] [UMUT RM16144] (off Shimoura, 60 m) N=2, NR=2, NQ=0, RV=2 (2R+0Q)
[Subsample Km (7)] [UMUT RM16145] (off Kamiura, 100 m) N=1, NR=0, NQ=1, LV=1 (0R+1Q)
[Subsample Km (8)] [UMUT RM16146] (off Shimoura, 150-160 m) N=1, NR=0, NQ=1, LV=1 (0R+1Q)
[Subsample Km (9)] [UMUT RM16147] (off Kushimoto, 100 m) N=2, NR=0, NQ=2, CV=2 (0R+2Q)
[Subsample Km (10)] [UMUT RM16148] (off Shimoura, 100 m) N=1, NR=0, NQ==I, LV=1 (0R+1Q)
[Subsample Km (11)] [UMUT RM16149] (off Kushimoto, 110 m) N=1, NR=0, NQ=1, LV=1 (0R+1Q)
Sample Sr [UMUT RM16186] Locality: About 6 km SSW of Setozaki, Shira-hama, Kii Peninsula (33°36.0'N, 135°18'E, 140-160 m)
Collector: Yamaguchi, Oji and Kamiya
Composition: N=14, NR=2, NQ=12, CV=4 (0R+4Q), RV=1 (0R+1Q), LV=9 (2R+7Q)
Sample Mb [UMUT RM16150] Locality: Mouth of Tanabe Bay (unknown in detail)
Collector: Yamaguchi (through fishery at Sakai of Minabe Town, Wahayama Prefecture)
Composition: N=1, NR=0, NQ=1, CV=1 (0R+1Q)
Sample Bt [UMUT RM16151]
Locality: Mouth of Kii Strait, off Bentenjima Islet (33°47.4'N, 134°50.0'E, 80 m)
Collector: Yamaguchi (R/V Shumpu)
Composition: N=73, NR=22, NQ=51, RV=44 (13R+31Q), LV=29 (9R+20Q)
Sample Ks [UMUT RM16152]
Locality: Mouth of Kii Strait (unknown in detail)
Collector: Hayami (through fishery at Tatsu-gahama of Arida City, Wakayama Prefecture)
Composition: N=7, NR=3, NQ=4, CV=4 (2R+2Q), RV=3 (1R+2Q)
Sample As [UMUT RM16153]
Locality: Shelf off Cape Ashizuri, western Shikoku (unknown in detail) Collector: Kurohara (through fishery at Shimizu City in Kochi Prefecture)
Composition: N=4, NR=0, NQ=4, CV=2 (0R+2Q), RV=1 (0R+1Q), LV=1 (0R+1Q) Sample Yk [UMUT RM16154]
Locality: Coast of Cape Nagasaki-bana, Yama-kawa Town, Kagoshima Prefecture [31°09.2'N, 130°35.3'E]
Collector: Hayami
Composition: N=2, NR=1, NQ=1, RV=2 (1R+1Q)
Sample Ec
Locality: East China Sea, west of Tokara Islands (2 stations)
Collector: Otsuka (R/V Kagoshima)
Composition (integrated): N=824, NR=246, NQ=578, RV=417 (124R+293Q), LV=407 (122R+285Q)
[Subsample Ec (1)] [UMUT RM16155] (29°09.9'N, 126°28.1'E, ca. 100 m) N=388, NR=121, NQ=267, RV=206 (67R+139Q), LV=182 (54R+128Q)
[Subsample Ec (2)] [UMUT RM16156] (29°10.1'N, 126°28.9'E, ca. 100 m) N=436, NR=125, NQ=311, RV=211 (57R+154Q), LV=225 (68R+157Q)
Sample My
Locality: Off Miyakojima Island, East China Sea (unknown in detail)
Collector: unknown
Composition: N=17, NR=3, NQ=14, RV=5 (0R+5Q), LV=12 (3R+9Q)
Repository: Department of Zoology, National Science Museum, Tokyo (NSMT-49433)
Sample Sk [UMUT RM16182]
Locality: northeast of Senkaku Islets, East China Sea (KH68-2-T-12, 26°55'N, 125°01'E, 120 m)
Collector: Tsuchida (R/V Hakuho)
Composition: N=89, NR=8, NQ=81, CV=7 (1R+6Q), RV=43 (1R+42Q), LV=39 (6R+33Q)
Sample Kj
Locality East China Sea, west of western coast of Kyushu (9 stations)
Collector: Oyama (R/V Tokai II)
Composition (integrated): N=332, NR=87, NQ=245, RV=173 (42R+131Q), LV=159 (45R+114Q)
[Subsample Kj (1)] [UMUT RM16157] (Loc. 141, 31°44.2'N, 129°42.5'E, 150 m) N=3, NR=0, NQ=3, RV=3 (1R+2Q)
[Subsample Kj (2)] [UMUT RM16158] (Loc. 296, 32°49.5'N, 128°07.5'E, 100 m) N=11, NR=5, NQ=6, RV=5 (2R+3Q), LV=6 (3R+3Q)
[Subsample Kj (3)] [UMUT RM16159] (Loc. 306, 32°29.0'N, 129°42.5'E, 77 m) N=1, NR=0, NQ=1, RV=1 (0R+1Q)
[Subsample Kj (4)] [UMUT RM16160] (Loc. 308, 32°20.6'N, 129°31.9'E, 93 m) N=20, NR=5, NQ=15, RV=10 (2R+8Q), LV=10 (3R+7Q)
[Subsample Kj (5)] [UMUT RM16161] (Loc. 331, 32°20.1'N, 129°27.4'E, 86 m) N=10, NR=3, NQ=7, RV=5 (1R+4Q), LV=5 (2R+3Q)
[Subsample Kj (6)] [UMUT RM16162] (Loc. 334, 32°47.4'N, 129°16.2'E, 103 m) N=54, NR=17, NQ=38, RV=22 (5R+17Q), LV=32 (12R+20Q)
[Subsample Kj (7)] [UMUT RM16163] (Loc. 339, 33°08.7'N, 129°14.7'E, 69 m) N=113, NR=24, NQ=89, RV=61 (13R+48Q), LV=52 (11R+41Q)
[Subsample Kj (8)] [UMUT RM16164] (Loc. 340, 33°13.7'N, 129°16.6'E, 85 m) N=98, NR=25, NQ=73, RV=54 (15R+39Q), LV=44 (10R+34Q)
[Subsample Kj (9)] [UMUT RM16165] (Loc. 341, 32°47.7'N, 129°34.0'E, 80 m) N=22, NR=7, NQ=15, RV=12 (3R+9Q), LV=10 (4R+6Q)
Sample Ng [UMUT RM16166]
Locality: East China Sea, off Nagasaki (unknown in detail)
Collector: Yamamoto (through fishery at Mogi in Nagasaki City)
Composition: N=10, NR=6, NQ=4, CV=10 (6R+4Q)
Sample Ta
Locality: Tsushima Strait, south and east of Tsushima Islands (8 stations)
Collector: Habe and Imajima (R/V Genkai)
Composition (integrated): N=1391, NR=350, NQ=1041, CV=1 (1R+0Q), RV=688 (176R+512Q), LV=702 (173R+529Q)
Repository: Department of Zoology, National Science Museum, Tokyo (not yet registered)
[Subsample Ta (1)] (St. 10 by Imajima, 1970, 33°56.8'N, 129°11.9'E, 105 m) N=301, NR=68, NQ=233, RV=132 (31R+101Q), LV=169 (37R+132Q)
[Subsample Ta (2)] (St. 27 by Imajima, 1970, 34°44.0'N, 129°47.1'E, 105 m) N=318, NR=74, NQ=244, RV=164 (36R+128Q), LV=154 (38R+116Q)
[Subsample Ta (3)] (St. 11 by Imajima, 1970, 34°02.8'N, 129°04.5'E, 115 m) N=187, NR=47, NQ=140, RV=99 (25R+74Q), LV=88 (22R+66Q)
[Subsample Ta (4)] (St. 8 by Imajima, 1970, 33°49.7'N, 129°28.9'E, 100 m) N=272, NR=87, NQ=185, RV=140 (44R+96Q), LV=132 (43R+89Q)
[Subsample Ta (5)] (St. 35 by Imajima, 1970, 34°35.6'N, 130°00.0'E, 115 m) N=76, NR=20, NQ=56, CV=1 (1R+0Q), RV=32 (11R+21Q), LV=43 (8R+35Q)
[Subsample Ta (6)] (St. 31 by Imajima, 1970, 34°31.9'N, 129°36.6'E, 96 m) N=97, NR=22, NQ=75, RV=48 (11R+37Q), LV=49 (11R+38Q)
[Subsample Ta (7)] (St. 28 by Imajima, 1970, 34°45.8'N, 129°56.8'E, 120 m) N=102, NR=24, NQ=78, RV=55 (11R+44Q), LV=47 (13R+34Q)
[Subsample Ta (8)] (St. 36 by Imajima, 1970, 34°15.9'N, 130°05.8'E, 95 m) N=38, NR=8, NQ=30, RV=18 (7R+11Q), LV=20 (1R+19Q)
Sample Hm [UMUT RM16167]
Locality: Japan Sea, northwest of Hamada (D220, 35deg;21.4'N, 131°15.4'E, 106-107 m) Collector: Ogasawara et al. (R/V Hakurei) Composition: N=115, NR=25, NQ=90, RV=50 (13R+37Q), LV=65 (12R+53Q)
Sample Im [UMUT RM16168]
Locality: Japan Sea, off Izumo Peninsula (D306, 35°42.7'N, 132°47.5'E, 120-125 m) Collector: Ogasawara et al. (R/V Hakurei) Composition: N=63, NR=15, NQ=48, RV=38 (8R+30Q), LV=25 (7R+18Q)
Sample Nt [UMUT RM16169]
Locality: Japan Sea, off Cape Suzu, Noto Peninsula (KT79-5-16D, 37°23.2'N, 137°27.5'E, 86 m)
Collector: Yamaguchi et al. (R/V Tansei) Composition: N=47, NR=16, NQ=31, CV=1 (0R+1Q), RV=21 (10R+11Q), LV=25 (6R+19Q)
Cryptopecten phrygium (Dall)
Confirmed Recent specimens of C. phrygium3)
USNM 62352. Station 45, Mexican Gulf (25°33'N, 84°21'W, 101 fms) N=1, CV=1
USNM 694425. Station 1253 of m/v Oregon, Mexican Gulf (29°47'N, 87°17'W, 70 fms) N=1, RV=1
USNM 764542. 115 miles off southwest Louisiana (28°02'N, 93°05'W, 47-65 fms) N=2, LV=2
USNM 764544. Off Hillsboro Light, Florida (80-100 fms) N=1, CV=1
USNM 764545. 80 miles southwest off Cape San Bias, Florida (Station 50 of Blake Expedition) (26°31'N, 85°53'W, 119 fms) N=4, RV=2, LV=2
USNM 765188. Station 10513 of m/v Oregon, ca. 100 miles north of Georgetown, Guiana (8°26'N, 58°11'W, 100 fms) N=1, CV=1
AMNH 167207. East edge of Desoto Canyon, west of Cape San Blas, Florida (100-300 fms) (pars) N=4, RV=3, LV=1
AMNH 171433. Fowler Light, east coast of Florida N=1, CV=1
AMNH 171432. Eolis Station 32, off Sand Key, Dade County, Florida (61 fms) N=3, CV=3
AMNH 99641. 110 miles southwest of Egmont Key, Florida (85-100 fms) N=4, RV=3, LV=1
AMNH 190947. Dredged, Key West, Florida AT=1, CV=1
AMNH 99686. 90 miles southwest of Egmont Key, Florida (60 fms) N=1, LV=1
AMNH 190960. No locality record N=1, RV=1
AMNH 190948. Southwest of Egmont Key, Florida (200 fms) N=4, RV=1, LV=3
AMNH 190949. 110 miles southwest of Egmont Key, Florida (90 fms) N=1, CV=1
Cryptopecten spinosus sp. nov. Fossil sample
Sample Kk (S) [UMUT CM16170]
Locality: Road-cut, about 500 m north of Kamikatetsu, Kikai Island (Kikai Town), Kagoshima Prefecture [28°17.0'N, 129°56.8'E]
Horizon: Coral sand of Wan Formation of Ryukyu Group
Age: Late Pleistocene (0.08 Ma, according to Sakanouc et al., 1967, and Omura, 1983)
Collector: Yamaguchi and Hayami
Composition: N=190, RV=106, LV=84
Cryptopecten yanagawaensis (Nomura and Zinbo) Fossil sample
Sample Mn (Y) [UMUT CM16171]
Locality: A small valley, southwest of Jyunishin, Natori City, Miyagi Prefecture [38°12.3'N, 140°50.5'E]
Horizon: Coarse sandstone of lower part of Moniwa Formation of Natori Group
Age: Early Middle Miocene (N8, 15-16 Ma) Collector: Ozawa, Sato and Hayami
Composition: N=41, RV=25, LV=16
Other confirmed fossil specimens of C. yanagawaensis
IGPS no. 85962. Moniwa Formation at about 500 m east of Kitaakaishi, Akiu village, Miyagi Prefecture
IGPS no. 90785. Kanagase Member at Yujiri of Kanagase, Ôgawara Town, Miyagi Prefecture
IGPS no. 95010. Sunakozaka Formation at a river cliff of the Asano, Higashiichise, Kanazawa City (described by Ogasawara, 1976)
SM no. 2140, 3545. Moniwa Formation at Moniwa, Sendai City
SM no. 3546. Moniwa Formation about 400 m west of Jyunishin, Kumanodo, Natori City, Miyagi Prefecture
SM no. 8353. Yanagawa Formation at Yanagawa Town, Fukushima Prefecture (type material described by Nomura and Zinbo, 1936)
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