UMUT 標本: Nos. 25401 - 25600

CM 25401 Nucula insignis Adams

Yokoyama, M., 1928b

CM 25402 Nucula insignis Adams

Yokoyama, M., 1928b

CM 25403 Solemya labeosa Yokoyama, 1928, Holotype

Yokoyama, M., 1928b:  p. 361, pl. 68, fig. 11

CM 25403 Solemya labeosa Yokoyama, Holotype

Makiyama, J., 1959:  pl. 66, fig. 11

CB 25404 Laqueus rubellus (Sowerby)

Yokoyama, M., 1928b

CB 25405 Terebratulina japonica (Sowerby)

Yokoyama, M., 1928b

CB 25406 Hemithyris psittacea (Chemnitz) var. woodwardi Adams

Yokoyama, M., 1928b

CM 25407 Solidula strigosa Gould

Yokoyama, M., 1928c

CM 25408 Cylichna andenica Yokoyama

Yokoyama, M., 1928c

CM 25409 Liloa incisula (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 105, fig. 1

CM 25409 Cylichna incisula Yokoyama, 1928, Syntype

Yokoyama, M., 1928c:  p. 122, pl. 19, fig. 1

CM 25410 Cylichna incisula Yokoyama, 1928, Syntype

Yokoyama, M., 1928c

CM 25411 Pleurotoma vertebrata Smith

Yokoyama, M., 1928c

CM 25412 Clathurella centrosa Pilsbry

Yokoyama, M., 1928c

CM 25413 Cancellaria spengleriana Deshayes

Yokoyama, M., 1928c

CM 25414 Fusus perplexus Adams

Yokoyama, M., 1928c

CM 25415 Nassa (Hima) japonica Adams

Yokoyama, M., 1928c

CM 25416 Nassa (Hima) festiva Powis

Yokoyama, M., 1928c

CM 25417 Nassa (Niotha) livescens Philippi

Yokoyama, M., 1928c

CM 25418 Ocinebra contracta Reeve

Yokoyama, M., 1928c

CM 25419 Purpura (Thais) pseudodiadema (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 105, fig. 5

CM 25419 Cuma pseudodiadema Yokoyama, 1928, Syntype

Yokoyama, M., 1928c:  p. 122, pl. 19, fig. 5

CM 25420 Cuma pseudodiadema Yokoyama, 1928, Syntype

Yokoyama, M., 1928c

CM 25421 Columbella (Mitrella) dunkeri Tryon

Yokoyama, M., 1928c

CM 25422 Rapana bezoar Linne var. thomasiana Crosse

Yokoyama, M., 1928c

CM 25423 Purpura alveolata Reeve

Yokoyama, M., 1928c

CM 25424 Strombus japonicus Reeve

Yokoyama, M., 1928c

CM 25425 Cerithium (Clava) kochi Philippi

Yokoyama, M., 1928c

CM 25426 Cerithium kobelti Dunker

Yokoyama, M., 1928c

CM 25427 Potamides (Tympanotomus) fluviatilis (Potiez & Michaud)

Yokoyama, M., 1928c

CM 25428 Triforis otsuensis Yokoyama

Yokoyama, M., 1928c

CM 25429 Thylacodes medusae Pilabry

Yokoyama, M., 1928c

CM 25430 Vermetus ebaranus Yokoyama

Yokoyama, M., 1928c

CM 25431 Litiopa simplex Yokoyama

Yokoyama, M., 1928c

CM 25432 Cingula subdharma (Yokoyama), Holotype

Makiyama, J., 1960:  pl. 105, fig. 2

CM 25432 Rissoa (Cingula) subdharma Yokoyama, 1928, Holotype

Yokoyama, M., 1928c:  p. 123, pl. 19, fig. 2

CM 25433 Rissoina submerculialis Yokoyama

Yokoyama, M., 1928c

CM 25434 Rissoina cancellata Philippi

Yokoyama, M., 1928c

CM 25435 Fenella septentrionale Tokunaga

Yokoyama, M., 1928c

CM 25436 Natica colliei Recluz

Yokoyama, M., 1928c

CM 25437 Uberella yokoyamai Kuroda & Habe

Makiyama, J., 1960:  pl. 105, fig. 3

CM 25437 Polinices pallidus (Broderip & Sowerby)

Yokoyama, M., 1928c:  p. 124, pl. 19, fig. 3

CM 25438 Polinices ampla (Philippi)

Yokoyama, M., 1928c

CM 25439 Sigaretus (Eunaticina) palilla Gmelin

Yokoyama, M., 1928c

CM 25440 Pyramidella (Syrnola) toshimana Yokoyama

Yokoyama, M., 1928c

CM 25441 Turbo (Marmorostoma) coreensis Recluz

Yokoyama, M., 1928c

CM 25442 Turbo (Marmorostoma) granulatus Gmelin

Yokoyama, M., 1928c

CM 25443 Chlorostoma umbilicatum (Lischke)

Yokoyama, M., 1928c

CM 25444 Chlorostoma argyrostomum Gmelin

Yokoyama, M., 1928c

CM 25445 Monodonta labio Linne

Yokoyama, M., 1928c

CM 25446 Cantharidus japonicus (Adams)

Yokoyama, M., 1928c

CM 25447 Cyclostrema duplicatum Lischke

Yokoyama, M., 1928c

CM 25448 Diodora sieboldii (Reeve)

Makiyama, J., 1960:  pl. 105, fig. 4

CM 25448 Fissuridea sieboldii (Reeve)

Yokoyama, M., 1928c:  p. 124, pl. 19, fig. 4

CM 25449 Acmaea schrencki Lischke

Yokoyama, M., 1928c

CM 25450 Dentalium octagonum Lamarck

Yokoyama, M., 1928c

CM 25451 Pholas fragilis Sowerby

Yokoyama, M., 1928c

CM 25452 Martesia striata (Linne) var. tokyoensis Yokoyama

Yokoyama, M., 1928c

CM 25453 Panope generosa (Gould)

Yokoyama, M., 1928c

CM 25454 Mya arenaria Linne

Yokoyama, M., 1928c

CM 25455 Mactra ovalina Lamarck

Yokoyama, M., 1928c

CM 25456 Raeta yokohamensis Pilsbry

Yokoyama, M., 1928c

CM 25457 Solen krusensternii Schrenck

Yokoyama, M., 1928c

CM 25458 Azorinus abbreviatus (Gould)

Makiyama, J., 1960:  pl. 105, fig. 12

CM 25458 Solecurtus abbreviatus Gould

Yokoyama, M., 1928c:  p. 124, pl. 19, fig. 12

CM 25459 Semele cardiformis (Holten)

Makiyama, J., 1960:  pl. 106, fig. 3

CM 25459 Semele sinensis A. Adams

Yokoyama, M., 1928c:  p. 125, pl. 20, fig. 3

CM 25460 Tellina iridella Martens

Yokoyama, M., 1928c

CM 25461 Arcopagia (Quadrans) spinosa (Hanley)

Makiyama, J., 1960:  pl. 105, fig. 6

CM 25461 Tellina gargadia Linne

Yokoyama, M., 1928c:  p. 125, pl. 19, fig. 6

CM 25462 Arcopagia (Quadrans) spinosa (Hanley)

Makiyama, J., 1960:  pl. 105, fig. 7

CM 25462 Tellina gargadia Linne

Yokoyama, M., 1928c:  p. 125, pl. 19, fig. 7

CM 25463 Macoma inquinata (Deshayes)

Yokoyama, M., 1928c

CM 25464 Macoma praetexta von Martens

Yokoyama, M., 1928c

CM 25465 Loripes philippiana (Reeve)

Yokoyama, M., 1928c

CM 25466 Petricola japonica Dunker

Makiyama, J., 1960:  pl. 105, fig. 14

CM 25466 Petricola japonica Dunker

Yokoyama, M., 1928c:  p. 126, pl. 19, fig. 14

CM 25467 Petricola japonica Dunker

Makiyama, J., 1960:  pl. 105, fig. 15

CM 25467 Petricola japonica Dunker

Yokoyama, M., 1928c:  p. 126, pl. 19, fig. 15

CM 25468 Dosinia troscheli Lischke

Yokoyama, M., 1928c

CM 25469 Pitar limatula (Sowerby)

Makiyama, J., 1960:  pl. 105, fig. 10

CM 25469 Meretrix tigrina (Lamarck)

Yokoyama, M., 1928c:  p. 126, pl. 19, fig. 10

CM 25470 Pitar limatula (Sowerby)

Makiyama, J., 1960:  pl. 105, fig. 11

CM 25470 Meretrix tigrina (Lamarck)

Yokoyama, M., 1928c:  p. 126, pl. 19, fig. 11

CM 25471 Venus jedoensis Lischke

Yokoyama, M., 1928c

CM 25472 Chione crenifera (Sowerby)

Yokoyama, M., 1928c

CM 25473 Circe stutzeri (Donovan)

Makiyama, J., 1960:  pl. 106, fig. 2

CM 25473 Circe scripta (Linne)

Yokoyama, M., 1928c:  p. 127, pl. 20, fig. 2

CM 25474 Gafrarium divaricatum (Gmelin)

Makiyama, J., 1960:  pl. 106, fig. 1

CM 25474 Circe divaricata Chemnitz

Yokoyama, M., 1928c:  p. 127, pl. 20, fig. 1

CM 25475 Venerupis insignis (Deshayes)

Yokoyama, M., 1928c

CM 25476 Tapes variegatus Hanley

Yokoyama, M., 1928c

CM 25477 Cardium muticum Reeve

Yokoyama, M., 1928c

CM 25478 Kellia notoensis Yokoyama, Holotype

Makiyama, J., 1960:  pl. 105, fig. 13

CM 25478 Kellia notoensis Yokoyama, 1928, Holotype

Yokoyama, M., 1928c:  p. 127, pl. 19, fig. 13

CM 25479 Diplodonta japonica Pilsbry

Yokoyama, M., 1928c

CM 25480 Diplodonta semiaspera Philippi

Yokoyama, M., 1928c

CM 25481 Codakia bella Conrad var. delicatula Pilsbry

Yokoyama, M., 1928c

CM 25482 Lucina contraria Dunker

Yokoyama, M., 1928c

CM 25483 Lucina pisidium Dunker

Yokoyama, M., 1928c

CM 25484 Chama semipurpurata Lischke

Yokoyama, M., 1928c

CM 25485 Cardita leana Dunker

Makiyama, J., 1960:  pl. 105, fig. 8

CM 25485 Cardita crassicosta Lamarck

Yokoyama, M., 1928c:  p. 128, pl. 19, fig. 8

CM 25486 Cardita leana Dunker

Makiyama, J., 1960:  pl. 105, fig. 9

CM 25486 Cardita crassicosta Lamarck

Yokoyama, M., 1928c:  p. 128, pl. 19, fig. 9

CM 25487 Trapezium nipponicum Yokoyama

Yokoyama, M., 1928c

CM 25488 Coralliophaga coralliophaga Gmelin

Yokoyama, M., 1928c

CM 25489 Anomia lischkei Fischer & Dautzenberg

Yokoyama, M., 1928c

CM 25490 Lima angulata Sowerby

Yokoyama, M., 1928c

CM 25491 Spondylus cruentus Lischke

Yokoyama, M., 1928c

CM 25492 Pecten (Chlamys) laetus Gould

Yokoyama, M., 1928c

CM 25493 Pecten (Vola) laqueatus Sowerby

Yokoyama, M., 1928c

CM 25494 Pecten (Vola) sinensis Sowerby

Yokoyama, M., 1928c

CM 25495 Ostrea gigas Thunberg

Yokoyama, M., 1928c

CM 25496 Ostrea denselamellosa Lischke

Yokoyama, M., 1928c

CM 25497 Arca kobeltiana Pilsbry

Yokoyama, M., 1928c

CM 25498 Arca (Barbatia) stearnsii Pilsbry

Yokoyama, M., 1928c

CM 25499 Arca (Barbatia) symmetrica Reeve

Yokoyama, M., 1928c

CM 25500 Barbatia obtusoides Nyst

Makiyama, J., 1960:  pl. 106, fig. 4

CM 25500 Arca decurvata Lischke

Yokoyama, M., 1928c:  p. 128, pl. 20, fig. 4

CB 25501 Terebratulina caputserpentis Linné

Yokoyama, M., 1928c

CM 25502 Sanguinolaria adamsii (Reeve)

Makiyama, J., 1960:  pl. 107, fig. 1

CM 25502 Soletellina adamsii Dehsayes

Yokoyama, M., 1928c:  p. 121, pl. 21, fig. 1

CM 25503 Sanguinolaria adamsii (Reeve)

Makiyama, J., 1960:  pl. 107, fig. 2

CM 25503 Soletellina adamsii Dehsayes

Yokoyama, M., 1928c:  p. 121, pl. 21, fig. 2

CM 25504 Pecten kagamianus Yokoyama

Makiyama, J., 1960:  pl. 108, fig. 1

CM 25504 Pecten (Patinopecten ?) kagamianus Yokoyama

Yokoyama, M., 1929c:  p. 2, pl. 1, fig. 1

CM 25505 Pecten kagamianus Yokoyama

Makiyama, J., 1960:  pl. 108, fig. 2

CM 25505 Pecten (Patinopecten ?) kagamianus Yokoyama

Yokoyama, M., 1929c:  p. 2, pl. 1, fig. 2

CM 25506 Chlamys notoensis (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 110, fig. 1

CM 25506 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c:  p. 4, pl. 3, fig. 1

CM 25506 Nanaochlamys notoensis (Yokoyama, 1929)

Hayashida, N. & Tanabe, K., 2006:  p. 2

CM 25507 Chlamys notoensis (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 110, fig. 2

CM 25507 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c:  p. 4, pl. 3, fig. 2

CM 25507 Nanaochlamys notoensis (Yokoyama, 1929)

Hayashida, N. & Tanabe, K., 2006:  p. 2

CM 25508 Chlamys notoensis (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 110, fig. 3

CM 25508 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c:  p. 4, pl. 3, fig. 3

CM 25508 Nanaochlamys notoensis (Yokoyama, 1929)

Hayashida, N. & Tanabe, K., 2006:  p. 2

CM 25509 Chlamys notoensis (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 110, fig. 4

CM 25509 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c:  p. 4, pl. 3, fig. 4

CM 25509 Nanaochlamys notoensis (Yokoyama, 1929), Lectotype

Hayashida, N. & Tanabe, K., 2006:  p. 2

CM 25510 Chlamys notoensis (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 111, fig. 1

CM 25510 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c:  p. 4, pl. 4, fig. 1

CM 25510 Nanaochlamys notoensis (Yokoyama, 1929), Paralectotype

Hayashida, N. & Tanabe, K., 2006:  p. 2

CM 25511 Chlamys notoensis (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 111, fig. 2

CM 25511 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c:  p. 4, pl. 4, fig. 2

CM 25511 Nanaochlamys notoensis (Yokoyama, 1929)

Hayashida, N. & Tanabe, K., 2006:  p. 2

CM 25512 Chlamys notoensis (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 112, fig. 1

CM 25512 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c:  p. 4, pl. 5, fig. 1

CM 25512 Nanaochlamys notoensis (Yokoyama, 1929)

Hayashida, N. & Tanabe, K., 2006:  p. 2

CM 25513 Chlamys notoensis (Yokoyama), Syntype

Makiyama, J., 1960:  pl. 112, fig. 2

CM 25513 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c:  p. 4, pl. 5, fig. 2

CM 25513 Nanaochlamys notoensis (Yokoyama, 1929)

Hayashida, N. & Tanabe, K., 2006:  p. 2

CM 25514 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c

CM 25515 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c

CM 25516 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c

CM 25517 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c

CM 25518 Pecten notoensis Yokoyama, 1929, Syntype

Yokoyama, M., 1929c

CM 25519 Chlamys hastata ingeniosa Yokoyama, Holotype

Makiyama, J., 1960:  pl. 113, fig. 2

CM 25519 Pecten (Chlamys) hastatus Sowerby var. ingeniosa Yokoyama, 1929, Holotype

Yokoyama, M., 1929c:  p. 5, pl. 6, fig. 2

CM 25520 Chlamys crassivenia Yokoyama, Holotype

Makiyama, J., 1960:  pl. 113, fig. 1

CM 25520 Pecten (Chlamys) crassivebius Yokoyama, 1929, Holotype

Yokoyama, M., 1929c:  p. 6, pl. 6, fig. 1

CM 25521 Chlamys protomollita Nomura

Makiyama, J., 1960:  pl. 112, fig. 3

CM 25521 Pecten sp.

Yokoyama, M., 1929c:  p. 6, pl. 5, fig. 3

CM 25522 Chlamys protomollita Nomura

Makiyama, J., 1960:  pl. 112, fig. 4

CM 25522 Pecten sp.

Yokoyama, M., 1929c:  p. 6, pl. 5, fig. 4

CM 25523 Brachytoma sp.

Otuka, Y., 1937a

CM 25523 Drillia principalis Pilsbry

Yokoyama, M., 1929a

CM 25524 Olivella fortunei (Adams)

Yokoyama, M., 1929a

CM 25525 Nassarius (Hima) incongruus (Yokoyama), Holotype

Otuka, Y., 1937a:  p. 26, pl. 3, figs. 8, 9

CM 25525 Nassa (Niotha) incongrua Yokoyama

Yokoyama, M., 1929a

CM 25526 Ocinebra sp.

Otuka, Y., 1937a

CM 25526 Ocinebra sp.

Yokoyama, M., 1929a

CM 25527 Strombus mimasakensis Yokoyama, 1929, Holotype

Yokoyama, M., 1929a:  p. 366, pl. 70, fig. 1a, b

CM 25527 Strombus mimasakensis Yokoyama, Holotype

Shikama, T., 1943:  p. 236, pl. 38, fig. 6

CM 25527 Strombus mimasakensis Yokoyama, Holotype

Shikama, T., 1952:  p. 152, pl. 38, fig. 6

CM 25527 Strombus ? mimasakensis Yokoyama, Holotype

Shikama, T., 1964:  p. 106, pl. 30, fig. 7

CM 25527 Strombus mimasakensis Yokoyama, Holotype

Makiyama, J., 1959:  pl. 68, fig. 1a, b

CM 25528 Batillaria (Tateiwaia) yamanarii Makiyama

Makiyama, J., 1959:  pl. 68, fig. 3

CM 25528 Cerithium proavitum Yokoyama, 1929, Syntype

Yokoyama, M., 1929a:  p. 366, pl. 70, fig. 3

CM 25529 Cerithium proavitum Yokoyama, 1929, Syntype

Yokoyama, M., 1929a

CM 25530 Cerithium proavitum Yokoyama, 1929, Syntype

Yokoyama, M., 1929a

CM 25531 Cerithium proavitum Yokoyama, 1929, Syntype

Yokoyama, M., 1929a

CM 25532 Cerithium proavitum Yokoyama, 1929, Syntype

Yokoyama, M., 1929a

CM 25533 Cerithium proavitum Yokoyama, 1929, Syntype

Yokoyama, M., 1929a

CM 25534 Cerithium proavitum Yokoyama, 1929, Syntype

Yokoyama, M., 1929a

CM 25535 Batillaria (Tateiwaia) tateiwai Makiyama

Makiyama, J., 1959:  pl. 68, fig. 4

CM 25535 Cerithium sakamotoi Yokoyama, 1929, Syntype

Yokoyama, M., 1929a:  p. 367, pl. 70, fig. 4

CM 25536 Cerithium sakamotoi Yokoyama, 1929, Syntype

Yokoyama, M., 1929a

CM 25537 Potamides ancisus Yokoyama, 1929, Holotype

Yokoyama, M., 1929a:  p. 367, pl. 70, fig. 2

CM 25537 Proclava ancisa (Yokoyama), Holotype

Makiyama, J., 1959:  pl. 68, fig. 2

CM 25538 Turritella nipponica Yokoyama

Yokoyama, M., 1929a

CM 25539 Turritella perterebra Yokoyama

Yokoyama, M., 1929a

CM 25540 Polinices ampla (Philippi)

Yokoyama, M., 1929a

CM 25541 Natica ? sp.

Yokoyama, M., 1929a

CM 25542 Sinum yabei Otuka

Otuka, Y., 1937a:  p. 28, pl. 3, figs. 6, 7

CM 25542 Sigaretus (Eunaticina) papilla Gmelin

Yokoyama, M., 1929a

CM 25542 Sinum yabei Otuka

Shikama, T., 1964:  p. 106, pl. 30, fig. 18a, b

CM 25543 Umbonium ? sp.

Otuka, Y., 1937a

CM 25543 Umbonium sp.

Yokoyama, M., 1929a

CM 25544 Dentalium vernedei Hanley

Yokoyama, M., 1929a

CM 25545 Dentalium weinkauffii Dunker

Otuka, Y., 1937a

CM 25545 Dentalium weinkauffii Dunker

Yokoyama, M., 1929a

CM 25546 Panope japonica (A. Adams)

Otuka, Y., 1937a

CM 25546 Panope generosa (Gould)

Yokoyama, M., 1929a

CM 25547 Aloides erythrodon nisataiensis Otuka

Otuka, Y., 1937a

CM 25547 Corbula erythrodon Lamarck

Yokoyama, M., 1929a

CM 25548 Dosinia aff. nagaii Otuka

Otuka, Y., 1937a

CM 25548 Dosinia angulosa Philippi

Yokoyama, M., 1929a

CM 25549 Chione sp.

Otuka, Y., 1937a

CM 25549 Chione sp.

Yokoyama, M., 1929a

CM 25550 Tapes (Siratoria) siratoriensis (Otuka)

Otuka, Y., 1937a:  p. 30, pl. 3, figs. 1, 2

CM 25550 Tapes sp.

Yokoyama, M., 1929a

CM 25550 Siratoria siratoriensis (Otuka)

Shikama, T., 1964:  p. 142, pl. 48, fig. 1

CM 25551 Crassatellites heteroglyptus Pilsbry

Otuka, Y., 1937a:  p. 31, pl. 3, fig. 5

CM 25551 Astarte sulcata Dacosta

Yokoyama, M., 1929a

CM 25552 Trapezium liratum (Reeve)

Yokoyama, M., 1929a

CM 25553 Mytilus hirsutus Lamarck

Yokoyama, M., 1929a

CM 25554 Pecten sp.

Otuka, Y., 1937a

CM 25554 Pecten sp.

Yokoyama, M., 1929a

CM 25555 Anadara amicula (Yokoyama)

Otuka, Y., 1937a

CM 25555 Arca amicula Yokoyama

Yokoyama, M., 1929a

CM 25556 Anadara daitokudoensis Makiyama

Makiyama, J., 1959:  pl. 68, fig. 5a-c

CM 25556 Arca cf. camuloensis Osmont

Yokoyama, M., 1929a:  p. 368, pl. 70, fig. 5a-c

CM 25557 Glycymeris vestitus (Dunker) subsp.

Otuka, Y., 1937a

CM 25557 Pectunculus sp.

Yokoyama, M., 1929a

CM 25558 Nuculana confusa kongiensis Otuka

Otuka, Y., 1937a

CM 25558 Leda confusa Hanley

Yokoyama, M., 1929a

CM 25559 Mitra pristina Yokoyama

Yokoyama, M., 1930a

CM 25560 Nassa (Hima) verbeeki Martens

Yokoyama, M., 1930a

CM 25561 Triton ? sp.

Yokoyama, M., 1930a

CM 25562 Turritella nipponica Yokoyama

Yokoyama, M., 1930a

CM 25563 Turritella perterebra Yokoyama

Yokoyama, M., 1930a

CM 25564 Turritella perterebra Yokoyama

Yokoyama, M., 1930a

CM 25565 Turritella perterebra Yokoyama

Yokoyama, M., 1930a

CM 25566 Capulus badius Dunker

Yokoyama, M., 1930a

CM 25567 Calyptraea mammilaris (Broderip)

Yokoyama, M., 1930a

CM 25568 Calyptraea mammilaris (Broderip)

Yokoyama, M., 1930a

CM 25569 Calyptraea mammilaris (Broderip)

Yokoyama, M., 1930a

CM 25570 Crepidula navia Yokoyama

Yokoyama, M., 1930a

CM 25571 Crepidula navia Yokoyama

Yokoyama, M., 1930a

CM 25572 Crepidula navia Yokoyama

Yokoyama, M., 1930a

CM 25573 Crepidula sp.

Yokoyama, M., 1930a

CM 25574 Crepidula sp.

Yokoyama, M., 1930a

CM 25575 Natica colliei Recluz

Yokoyama, M., 1930a

CM 25576 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a:  p. 402, text-fig. (left)

CM 25577 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a:  p. 402, text-fig. (right)

CM 25578 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25579 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25580 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25581 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25582 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25583 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25584 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25585 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25586 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25587 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25588 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25589 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25590 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25591 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25592 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25593 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25594 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25595 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25596 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25597 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25598 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25599 Umbonium ishiianum Yokoyama, 1930, Syntype

Yokoyama, M., 1930a

CM 25600 Dentalium sp.

Yokoyama, M., 1930a