UMUT 標本: Nos. 23401 - 23600

CM 23401 Siphonalia declivis Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23402 Galeodea (Sconsia) japonica Yokoyama

Yokoyama, M., 1926g

CM 23403 Cancellaria cf. nodulifera Sowerby

Makiyama, J., 1958:  pl. 53, fig. 15

CM 23403 Melongena miranda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 342, pl. 41, fig. 15

CM 23404 Melongena miranda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23405 Bittium misellissimum Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 343, pl. 41, fig. 19

CM 23405 Bittium misellissimum Yokoyama, Syntype

Makiyama, J., 1958:  pl. 53, fig. 19

CM 23406 Bittium misellissimum Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 343, pl. 41, fig. 20

CM 23406 Bittium misellissimum Yokoyama, Syntype

Makiyama, J., 1958:  pl. 53, fig. 20

CM 23407 Turritella perterebra Yokoyama

Yokoyama, M., 1926g

CM 23408 Turritella perterebra Yokoyama

Makiyama, J., 1958:  pl. 51, fig. 3

CM 23408 Turritella kiiensis Yokoyama

Yokoyama, M., 1926g:  p. 343, pl. 39, fig. 3

CM 23409 Turritella perterebra Yokoyama

Makiyama, J., 1958:  pl. 51, fig. 4

CM 23409 Turritella kiiensis Yokoyama

Yokoyama, M., 1926g:  p. 343, pl. 39, fig. 4

CM 23410 Turritella kiiensis Yokoyama

Yokoyama, M., 1926g

CM 23411 Turritella kiiensis Yokoyama

Yokoyama, M., 1926g

CM 23412 Solarium (Philippia) cingulum Kiener

Yokoyama, M., 1926g

CM 23413 Natica janthostoma Deshayes

Yokoyama, M., 1926g

CM 23414 Natica janthostoma Deshayes

Yokoyama, M., 1926g

CM 23415 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1926g

CM 23416 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1926g

CM 23417 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1926g

CM 23418 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1926g

CM 23419 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1926g

CM 23420 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1926g

CM 23421 Sigaretus (Eunaticina) papilla Gmelin

Yokoyama, M., 1926g

CM 23422 Eulima (Leiostraca) hosoyana Yokoyama, 1926, Holotype

Yokoyama, M., 1926g:  p. 345, pl. 41, fig. 12

CM 23423 Pyramidella (Actaeopyramis) eximia (Lischke)

Yokoyama, M., 1926g

CM 23423 Eulima (Leiostraca) hosoyana Yokoyama, Holotype

Makiyama, J., 1958:  pl. 53, fig. 12

CM 23424 Odostomia (Miralda ?) clandestina Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 345, pl. 38, fig. 23

CM 23424 Siogamaia clandestina (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 50, fig. 23

CM 23425 Odostomia (Miralda ?) clandestina Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 345, pl. 38, fig. 24

CM 23425 Siogamaia clandestina (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 50, fig. 24

CM 23426 Calliostoma unicum (Dunker)

Makiyama, J., 1958:  pl. 53, fig. 13

CM 23426 Calliostoma unicum (Dunker)

Yokoyama, M., 1926g:  p. 346, pl. 41, fig. 13

CM 23427 Calliostoma unicum (Dunker)

Yokoyama, M., 1926g

CM 23428 Umbonium suchiense Yokoyama

Yokoyama, M., 1926g

CM 23429 Umbonium suchiense Yokoyama

Yokoyama, M., 1926g

CM 23430 Umbonium suchiense Yokoyama

Yokoyama, M., 1926g

CM 23431 Umbonium suchiense Yokoyama

Yokoyama, M., 1926g

CM 23432 Umbonium suchiense Yokoyama

Yokoyama, M., 1926g

CM 23433 Umbonium suchiense Yokoyama

Yokoyama, M., 1926g

CM 23434 Umbonium mysticum Yokoyama

Yokoyama, M., 1926g

CM 23435 Umbonium mysticum Yokoyama

Yokoyama, M., 1926g

CM 23436 Umbonium mysticum Yokoyama

Yokoyama, M., 1926g

CM 23437 Umbonium mysticum Yokoyama

Yokoyama, M., 1926g

CM 23438 Dentalium weinkauffii Dunker

Yokoyama, M., 1926g

CM 23439 Dentalium weinkauffii Dunker

Yokoyama, M., 1926g

CM 23440 Dentalium weinkauffii Dunker

Yokoyama, M., 1926g

CM 23441 Dentalium octogonum Lamarck

Yokoyama, M., 1926g

CM 23442 Panope generosa (Gould)

Yokoyama, M., 1926g

CM 23443 Aloides erythrodon (Lamarck)

Makiyama, J., 1958:  pl. 53, fig. 3

CM 23443 Corbula erythrodon Lamarck

Yokoyama, M., 1926g:  p. 348, pl. 41, fig. 3

CM 23444 Mactra crossei (Dunker)

Yokoyama, M., 1926g

CM 23445 Mactra spectabilis Lischke

Yokoyama, M., 1926g

CM 23446 Raeta yokohamensis Pilsbry

Yokoyama, M., 1926g

CM 23447 Solen krusensternii Schrenck

Yokoyama, M., 1926g

CM 23448 Tellina sp.

Yokoyama, M., 1926g

CM 23449 Macoma praetexta (Martens)

Yokoyama, M., 1926g

CM 23450 Dosinia troscheli Lischke

Yokoyama, M., 1926g

CM 23451 Dosinia sp.

Makiyama, J., 1958:  pl. 53, fig. 4

CM 23451 Dosinia sp.

Yokoyama, M., 1926g:  p. 349, pl. 41, fig. 4

CM 23452 Meretrix iizukai Yokoyama

Yokoyama, M., 1926g

CM 23453 Meretrix oyuana Yokoyama, 1926, Holotype

Yokoyama, M., 1926g:  p. 350, pl. 41, fig. 5

CM 23453 Meretrix oyuana Yokoyama, Holotype

Makiyama, J., 1958:  pl. 53, fig. 5

CM 23454 Meretrix (Callista) chinensis (Chemnitz)

Yokoyama, M., 1926g

CM 23455 Meretrix (Callista) chinensis (Chemnitz)

Yokoyama, M., 1926g

CM 23456 Meretrix (Callista) chinensis (Chemnitz)

Yokoyama, M., 1926g

CM 23457 Meretrix (Callista) chinensis (Chemnitz)

Yokoyama, M., 1926g

CM 23458 Clementia speciosa Yokoyama

Yokoyama, M., 1926g

CM 23459 Clementia speciosa Yokoyama

Yokoyama, M., 1926g

CM 23460 Venus (Mercenaria) stimpsoni Gould

Yokoyama, M., 1926g

CM 23461 Venus ozawai Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 351, pl. 39, fig. 5

CM 23461 Venus ozawai Yokoyama, Syntype

Makiyama, J., 1958:  pl. 51, fig. 5

CM 23462 Venus ozawai Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23463 Venus ozawai Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23464 Chione isabellina (Philippi)

Yokoyama, M., 1926g

CM 23465 Chione isabellina (Philippi)

Yokoyama, M., 1926g

CM 23466 Chione isabellina (Philippi)

Yokoyama, M., 1926g

CM 23467 Ventricoloidea foveolata (Sowerby)

Makiyama, J., 1958:  pl. 51, fig. 7

CM 23467 Chione casinaeformis Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 352, pl. 39, fig. 7

CM 23468 Ventricoloidea foveolata (Sowerby)

Makiyama, J., 1958:  pl. 51, fig. 8

CM 23468 Chione casinaeformis Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 352, pl. 39, fig. 8

CM 23469 Ventricoloidea foveolata (Sowerby)

Makiyama, J., 1958:  pl. 51, fig. 9

CM 23469 Chione casinaeformis Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 353, pl. 39, fig. 9

CM 23470 Chione chitaniana Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 352, pl. 39, fig. 13

CM 23470 Mercenaria chitaniana (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 51, fig. 13

CM 23471 Chione chitaniana Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23472 Tapes euglyptus (Philippi)

Yokoyama, M., 1926g

CM 23473 Tapes euglyptus (Philippi)

Yokoyama, M., 1926g

CM 23474 Cardium muticum Reeve

Yokoyama, M., 1926g

CM 23475 Cardium nuttalii Conrad

Yokoyama, M., 1926g

CM 23476 Cardium egregium Yokoyama, 1926, Holotype

Yokoyama, M., 1926g:  p. 354, pl. 39, fig. 10

CM 23476 Monia egregia (Yokoyama), Holotype

Makiyama, J., 1958:  pl. 51, fig. 10

CM 23477 Diplodonta japonica Pilsbry

Yokoyama, M., 1926g

CM 23478 Lucina (Phacoides) borealis (Linne)

Yokoyama, M., 1926g

CM 23479 Cardium panda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 355, pl. 39, fig. 1

CM 23479 Cardita panda Yokoyama, Syntype

Shikama, T., 1943:  p. 241, pl. 39, fig. 7a, b

CM 23479 Cardites panda (Yokoyama), Syntype

Shikama, T., 1952:  p. 154, pl. 39, fig. 7a, b

CM 23479 Venericardia (Megacardia) panda Yokoyama, Syntype

Shikama, T., 1964:  p. 134, pl. 44, fig. 11a, b

CM 23479 Venericardia panda (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 51, fig. 1

CM 23480 Cardium panda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 355, pl. 39, fig. 2

CM 23480 Venericardia panda (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 51, fig. 2

CM 23481 Cardita panda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23482 Cardita panda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23483 Cardita panda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23484 Cardita panda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23485 Cardita panda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23486 Cardita panda Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23487 Crassatella pauxilla Yokoyama

Yokoyama, M., 1926g

CM 23488 Crassatella heteroglypta (Pilsbry)

Yokoyama, M., 1926g

CM 23489 Crassatella uchidana Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 356, pl. 39, fig. 6

CM 23489 Crassatellites oblongatus uchidanus Yokoyama, Syntype

Makiyama, J., 1958:  pl. 51, fig. 6

CM 23490 Crassatella uchidana Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23491 Amussiopecten praesignis (Yokoyama)

Makiyama, J., 1958:  pl. 52, figs. 1, 2

CM 23491 Pecten praesignis Yokoyama, 1922, Holotype

Yokoyama, M., 1922b:  p. 1, pl. 5, figs. 1-3

CM 23491 Pecten praesignis Yokoyama

Yokoyama, M., 1926g:  p. 357, pl. 40, fig. 1, 2

CM 23491 Amussiopecten praesignis (Yokoyama)

Shikama, T., 1943:  p. 241, pl. 39, fig. 3a, b

CM 23491 Amussiopecten praesignis (Yokoyama)

Shikama, T., 1952:  p. 154, pl. 39, fig. 3a, b

CM 23491 Amussiopecten praesignia (Yokoyama), Holotype

Shikama, T., 1964:  p. 128, pl. 41, fig. 4

CM 23492 Amussiopecten praesignis (Yokoyama)

Makiyama, J., 1958:  pl. 53, fig. 1

CM 23492 Pecten praesignis Yokoyama

Yokoyama, M., 1926g:  p. 357, pl. 41, fig. 1

CM 23493 Pecten praesignis Yokoyama

Yokoyama, M., 1926g

CM 23494 Pecten praesignis Yokoyama

Yokoyama, M., 1926g

CM 23495 Pecten praesignis Yokoyama

Yokoyama, M., 1926g

CM 23496 Pecten praesignis Yokoyama

Yokoyama, M., 1926g

CM 23497 Pecten praesignis Yokoyama

Yokoyama, M., 1926g

CM 23498 Pecten clancularius Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 358, pl. 41, fig. 7

CM 23498 Propeamussium clancularium (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 53, fig. 7

CM 23499 Pecten clancularius Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 358, pl. 41, fig. 8

CM 23499 Propeamussium clancularium (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 53, fig. 8

CM 23500 Ostrea gigas Thunberg

Yokoyama, M., 1926g

CM 23501 Ostrea cucullata (Born)

Yokoyama, M., 1926g

CM 23502 Ostrea sp.

Yokoyama, M., 1926g

CM 23503 Ostrea sp.

Yokoyama, M., 1926g

CM 23504 Pinna japonica Hanley

Yokoyama, M., 1926g

CM 23505 Arca (Anomalocardia) inflata Reeve

Yokoyama, M., 1926g

CM 23506 Arca (Anomalocardia) inflata Reeve

Yokoyama, M., 1926g

CM 23507 Arca (Anomalocardia) inflata Reeve

Yokoyama, M., 1926g

CM 23508 Arca (Anomalocardia) inflata Reeve

Yokoyama, M., 1926g

CM 23509 Pectunculus vestitus Dunker

Yokoyama, M., 1926g

CM 23510 Pectunculus vestitus Dunker

Yokoyama, M., 1926g

CM 23511 Pectunculus vestitus Dunker

Yokoyama, M., 1926g

CM 23512 Pectunculus vestitus Dunker

Yokoyama, M., 1926g

CM 23513 Pectunculus vestitus Dunker

Yokoyama, M., 1926g

CM 23514 Pectunculus albolineatus Lischke

Yokoyama, M., 1926g

CM 23515 Pectunculus nipponicus Yokoyama

Yokoyama, M., 1926g

CM 23516 Pectunculus nipponicus Yokoyama

Yokoyama, M., 1926g

CM 23517 Pectunculus nipponicus Yokoyama

Yokoyama, M., 1926g

CM 23518 Pectunculus nipponicus Yokoyama

Yokoyama, M., 1926g

CM 23519 Cucullaea granulosa (Jonas)

Makiyama, J., 1958:  pl. 53, fig. 2

CM 23519 Cucullaea concamerata (Martini)

Yokoyama, M., 1926g:  p. 360, pl. 41, fig. 2

CM 23520 Limopsis crenata A. Adams

Yokoyama, M., 1926g

CM 23521 Limopsis crenata A. Adams

Yokoyama, M., 1926g

CM 23522 Limopsis crenata A. Adams

Yokoyama, M., 1926g

CM 23523 Limopsis crenata A. Adams

Yokoyama, M., 1926g

CM 23524 Limopsis chitaniana Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 361, pl. 39, fig. 11

CM 23524 Limopsis chitaniana Yokoyama, Syntype

Makiyama, J., 1958:  pl. 51, fig. 11

CM 23525 Limopsis chitaniana Yokoyama, 1926, Syntype

Yokoyama, M., 1926g:  p. 361, pl. 39, fig. 12

CM 23525 Limopsis chitaniana Yokoyama, Syntype

Makiyama, J., 1958:  pl. 51, fig. 12

CM 23526 Limopsis chitaniana Yokoyama, 1926, Syntype

Yokoyama, M., 1926g

CM 23527 Leda confusa Hanley

Yokoyama, M., 1926g

CM 23528 Leda confusa Hanley

Yokoyama, M., 1926g

CM 23529 Nucula mirabilis A. Adams & Reeve

Yokoyama, M., 1926g

CM 23530 Nucula mirabilis A. Adams & Reeve

Yokoyama, M., 1926g

CM 23531 Nucula insignis A. Adams

Yokoyama, M., 1926g

CM 23532 Solemya sp.

Yokoyama, M., 1926g

CM 23533 Spirotropis subdeclivis (Yokoyama)

Makiyama, J., 1958:  pl. 54, fig. 4

CM 23533 Pleurotoma subdeclivis Yokoyama

Yokoyama, M., 1926h:  p. 367, pl. 42, fig. 4

CM 23534 Niso yokoyamai Kuroda & Habe

Makiyama, J., 1958:  pl. 54, fig. 5

CM 23534 Niso interrupta Sowerby

Yokoyama, M., 1926h:  p. 367, pl. 42, fig. 5

CM 23535 Aloides (Cuneocorbula) peregrina (Yokoyama)

Makiyama, J., 1958:  pl. 54, fig. 8

CM 23535 Corbula peregrina Yokoyama

Yokoyama, M., 1926h:  p. 367, pl. 42, fig. 8

CM 23536 Ventricoloidea foveolata (Sowerby)

Makiyama, J., 1958:  pl. 54, fig. 3, 3a

CM 23536 Chione casinaeformis Yokoyama

Yokoyama, M., 1926h:  p. 368, pl. 42, fig. 3, 3a

CM 23537 Penicillus giganteus (Sowerby)

Makiyama, J., 1958:  pl. 54, fig. 1, 1a

CM 23537 Aspergillum giganteum Pilsbry

Yokoyama, M., 1926h:  p. 368, pl. 42, fig. 1, 1a

CM 23538 Penicillus giganteus (Sowerby)

Makiyama, J., 1958:  pl. 54, fig. 2, 2a

CM 23538 Aspergillum giganteum Pilsbry

Yokoyama, M., 1926h:  p. 368, pl. 42, fig. 2, 2a

CM 23539 Anadara tricenicosta (Nyst)

Makiyama, J., 1958:  pl. 54, fig. 6, 6a

CM 23539 Arca suzukii Yokoyama, 1926, Syntype

Yokoyama, M., 1926h:  p. 368, pl. 42, fig. 6, 6a

CM 23540 Anadara tricenicosta (Nyst)

Makiyama, J., 1958:  pl. 54, fig. 7, 7a

CM 23540 Arca suzukii Yokoyama, 1926, Syntype

Yokoyama, M., 1926h:  p. 368, pl. 42, fig. 7, 7a

CM 23544 Mangilia ishiiana Yokoyama, 1926, Holotype

Yokoyama, M., 1926i:  p. 372, pl. 43, fig. 2

CM 23544 Pseudorhaphitoma ishiiana (Yokoyama), Holotype

Makiyama, J., 1958:  pl. 55, fig. 2

CM 23545 Hemifusus tuna (Gmelin)

Makiyama, J., 1958:  pl. 55, fig. 1

CM 23545 Hemifusus ternatanus (Gmelin)

Yokoyama, M., 1926i:  p. 372, pl. 43, fig. 1

CM 23545 Hemifusus tuba (Gmelin)

Shikama, T., 1964:  p. 112, pl. 33, fig. 1

CM 23547 Columbella (Anachis) fratercula Yokoyama, 1926, Syntype

Yokoyama, M., 1926i:  p. 373, pl. 43, fig. 3

CM 23547 Pyrene fratercula (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 55, fig. 3

CM 23548 Columbella (Anachis) fratercula Yokoyama, 1926, Syntype

Yokoyama, M., 1926i

CM 23549 Tegula rustica (Gmelin)

Makiyama, J., 1958:  pl. 55, fig. 10

CM 23549 Chlorostoma rusticum (Gmelin)

Yokoyama, M., 1926i:  p. 373, pl. 43, fig. 10

CM 23550 Calliostoma multiliratum (Sowerby)

Makiyama, J., 1958:  pl. 55, fig. 9

CM 23550 Calliostoma ishiianum Yokoyama, 1926, Holotype

Yokoyama, M., 1926i:  p. 373, pl. 43, fig. 9

CM 23551 Euchelus oranatissimus Yokoyama, 1926, Syntype

Yokoyama, M., 1926i:  p. 374, pl. 43, fig. 7

CM 23551 Tallorbis ornatissima (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 55, fig. 7

CM 23552 Euchelus oranatissimus Yokoyama, 1926, Syntype

Yokoyama, M., 1926i:  p. 374, pl. 43, fig. 8

CM 23552 Tallorbis ornatissima (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 55, fig. 8

CM 23553 Dysmea oriens (Deshayes)

Makiyama, J., 1958:  pl. 55, fig. 6

CM 23553 Psammobia oriens Deshayes

Yokoyama, M., 1926i:  p. 374, pl. 43, fig. 6

CM 23554 Chlamys hirasei awajiensis Pilsbry

Makiyama, J., 1958:  pl. 55, fig. 4

CM 23554 Pecten atsumiensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926i:  p. 375, pl. 43, fig. 4

CM 23555 Chlamys hirasei awajiensis Pilsbry

Makiyama, J., 1958:  pl. 55, fig. 5

CM 23555 Pecten atsumiensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926i:  p. 375, pl. 43, fig. 5

CM 23556 Ostrea denselamellosa Lischke

Makiyama, J., 1958:  pl. 55, fig. 11

CM 23556 Ostrea denselamellosa Lischke

Yokoyama, M., 1926i:  p. 375, pl. 43, fig. 11

CM 23560 Cylichna andenica Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 383, pl. 44, fig. 1

CM 23560 Cylichna andenica Yokoyama, Syntype

Makiyama, J., 1958:  pl. 56, fig. 1

CM 23561 Cylichna andenica Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23562 Antiplanes kamchatica Dall

Makiyama, J., 1958:  pl. 56, fig. 2a

CM 23562 Pleurotoma contraria Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 383, pl. 44, fig. 2a

CM 23563 Antiplanes kamchatica Dall

Makiyama, J., 1958:  pl. 56, fig. 2b

CM 23563 Pleurotoma contraria Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 383, pl. 44, fig. 2b

CM 23564 Cancellaria murayamai Yokoyama, 1926, Holotype

Yokoyama, M., 1926j:  p. 384, pl. 44, fig. 3

CM 23564 Admete murayamai (Yokoyama), Holotype

Makiyama, J., 1958:  pl. 56, fig. 3

CM 23565 Turritella saishuensis etigoensis Ikebe

Makiyama, J., 1958:  pl. 56, fig. 4

CM 23565 Turritella saishuensis Yokoyama

Yokoyama, M., 1926j:  p. 384, pl. 44, fig. 4

CM 23566 Turritella saishuensis etigoensis Ikebe

Makiyama, J., 1958:  pl. 56, fig. 5

CM 23566 Turritella saishuensis Yokoyama

Yokoyama, M., 1926j:  p. 384, pl. 44, fig. 5

CM 23567 Turbonilla (Mormula) chitaniana Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 384, pl. 44, fig. 7

CM 23567 Plesioacirsa chitaniana (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 56, fig. 7

CM 23568 Turbonilla (Mormula) chitaniana Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23569 Gibbula inornata Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 385, pl. 44, fig. 6

CM 23569 Gibbula inornata Yokoyama, Syntype

Makiyama, J., 1958:  pl. 56, fig. 6

CM 23570 Gibbula inornata Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 385, pl. 44, fig. 10

CM 23570 Gibbula inornata Yokoyama, Syntype

Makiyama, J., 1958:  pl. 56, fig. 10

CM 23571 Gastrana yantaiensis (Crosse & Debeaux)

Makiyama, J., 1958:  pl. 56, fig. 14

CM 23571 Gastrana yantaiensis (Crosse & Debeaux)

Yokoyama, M., 1926j:  p. 384, pl. 44, fig. 14

CM 23572 Chironia suborbicularia laperousii (Deshayes)

Makiyama, J., 1958:  pl. 56, fig. 8

CM 23572 Kellia laperousii Deshayes

Yokoyama, M., 1926j:  p. 386, pl. 44, fig. 8

CM 23573 Thyasira rotundata Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 386, pl. 44, fig. 9

CM 23573 Leptaxinus rotundatus (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 56, fig. 9

CM 23574 Thyasira rotundata Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 386, pl. 44, fig. 13

CM 23574 Leptaxinus rotundatus (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 56, fig. 13

CM 23575 Clavagella japonica Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 386, pl. 44, fig. 11

CM 23575 Clavagella japonica Yokoyama, Syntype

Makiyama, J., 1958:  pl. 56, fig. 11

CM 23576 Clavagella japonica Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 386, pl. 44, fig. 12

CM 23576 Clavagella japonica Yokoyama, Syntype

Makiyama, J., 1958:  pl. 56, fig. 12

CM 23577 Pandora pulchella Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 387, pl. 45, fig. 4

CM 23577 Pandora (Kennerlia) pulchella Yokoyama, Syntype

Shikama, T., 1964:  p. 144, pl. 49, fig. 10a, b

CM 23577 Pandora (Kennerlia) pulchella Yokoyama, Syntype

Makiyama, J., 1958:  pl. 57, fig. 4

CM 23578 Pandora pulchella Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23579 Pecten murayamai Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 387, pl. 44, fig. 18

CM 23579 Pecten murayamai Yokoyama, Syntype

Makiyama, J., 1958:  pl. 56, fig. 18

CM 23580 Pecten murayamai Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 387, pl. 44, fig. 19

CM 23580 Pecten murayamai Yokoyama, Syntype

Makiyama, J., 1958:  pl. 56, fig. 19

CM 23581 Pecten murayamai Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 387, pl. 44, fig. 20

CM 23581 Pecten murayamai Yokoyama, Syntype

Makiyama, J., 1958:  pl. 56, fig. 20

CM 23582 Pecten murayamai Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23583 Pecten murayamai Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23584 Pecten kurosawensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 388, pl. 45, fig. 4

CM 23584 Pecten kurosawensis Yokoyama, Syntype

Makiyama, J., 1958:  pl. 57, fig. 3

CM 23585 Pecten kurosawensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23586 Pecten akitanus Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 388, pl. 44, fig. 15

CM 23586 Chlamys akitana (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 56, fig. 15

CM 23587 Pecten akitanus Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 388, pl. 44, fig. 16

CM 23587 Chlamys akitana (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 56, fig. 16

CM 23588 Pecten akitanus Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 388, pl. 44, fig. 17

CM 23588 Chlamys akitana (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 56, fig. 17

CM 23589 Pecten akitanus Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23590 Pecten akitanus Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23591 Ostrea gravitesta Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 388, pl. 45, fig. 1a-c

CM 23591 Ostrea gravitesta Yokoyama, Syntype

Shikama, T., 1943:  p. 233, pl. 37, fig. 4

CM 23591 Ostrea gravitesta Yokoyama, Syntype

Shikama, T., 1952:  p. 150, pl. 37, fig. 4

CM 23591 Ostrea gravitesta Yokoyama, Syntype

Shikama, T., 1964:  p. 128, pl. 41, fig. 22

CM 23591 Ostrea gravitesta Yokoyama, Syntype

Makiyama, J., 1958:  pl. 57, fig. 1a-c

CM 23592 Ostrea gravitesta Yokoyama, 1926, Syntype

Yokoyama, M., 1926j:  p. 388, pl. 45, fig. 2a-c

CM 23592 Ostrea gravitesta Yokoyama, Syntype

Makiyama, J., 1958:  pl. 57, fig. 2a-c

CM 23593 Ostrea gravitesta Yokoyama, 1926, Syntype

Yokoyama, M., 1926j

CM 23599 Acteon (Japanacteon) nipponensis (Yamakawa)

Oyama, K., 1973:  p. 67, pl. 19, fig. 1a, b

CM 23599 Acteon nipponensis Yamakawa

Taki, I. & Oyama, K., 1954:  pl. 43, fig. 1

CM 23599 Actaeon tornatilis (Linne) var. nipponensis Yamakawa

Yokoyama, M., 1927a:  p. 406, pl. 46, fig. 1

CM 23600 Actaeon tornatilis var. nipponensis

Yokoyama, M., 1927a