UMUT Nos. 24201 - 24400

CM 24201 Ringicula musashinoensis Yokoyama

Yokoyama, M., 1927b

CM 24202 Terebra edoensis Yokoyama

Yokoyama, M., 1927b

CM 24203 Pleurotoma vertebrata Smith

Yokoyama, M., 1927b

CM 24204 Pleurotoma vertebrata Smith

Yokoyama, M., 1927b

CM 24205 Pleurotoma vertebrata Smith

Yokoyama, M., 1927b

CM 24206 Drillia principalis Pilsbry

Yokoyama, M., 1927b

CM 24207 Drillia principalis Pilsbry

Yokoyama, M., 1927b

CM 24208 Drillia principalis Pilsbry

Yokoyama, M., 1927b

CM 24209 Drillia principalis Pilsbry

Yokoyama, M., 1927b

CM 24210 Drillia nivalioides Yokoyama

Yokoyama, M., 1927b

CM 24211 Mangilia deshayesii Dunker

Yokoyama, M., 1927b

CM 24212 Mangilia fukuchiana Yokoyama

Yokoyama, M., 1927b

CM 24213 Cancellaria spengleriana Deshayes

Yokoyama, M., 1927b

CM 24214 Cancellaria spengleriana Deshayes

Yokoyama, M., 1927b

CM 24215 Cancellaria spengleriana Deshayes

Yokoyama, M., 1927b

CM 24216 Cancellaria spengleriana Deshayes

Yokoyama, M., 1927b

CM 24217 Olivella fortunei (Adams)

Yokoyama, M., 1927b

CM 24218 Olivella fortunei (Adams)

Yokoyama, M., 1927b

CM 24219 Siphonalia spadicea (Reeve)

Yokoyama, M., 1927b

CM 24220 Siphonalia trochulus (Reeve)

Yokoyama, M., 1927b

CM 24221 Eburna japonica Reeve

Yokoyama, M., 1927b

CM 24222 Eburna japonica Reeve

Yokoyama, M., 1927b

CM 24223 Eburna japonica Reeve

Yokoyama, M., 1927b

CM 24224 Eburna japonica Reeve

Yokoyama, M., 1927b

CM 24225 Nassa (Hima) japonica Adams

Yokoyama, M., 1927b

CM 24226 Nassa (Hima) japonica Adams

Yokoyama, M., 1927b

CM 24227 Nassa (Hima) japonica Adams

Yokoyama, M., 1927b

CM 24228 Nassa (Hima) japonica Adams

Yokoyama, M., 1927b

CM 24229 Nassa (Hima) japonica Adams

Yokoyama, M., 1927b

CM 24230 Nassa (Hima) japonica Adams

Yokoyama, M., 1927b

CM 24231 Nassa (Hima) festiva Powys

Yokoyama, M., 1927b

CM 24232 Nassa (Hima) festiva Powys

Yokoyama, M., 1927b

CM 24233 Nassa (Hima) festiva Powys

Yokoyama, M., 1927b

CM 24234 Nassa (Hima) festiva Powys

Yokoyama, M., 1927b

CM 24235 Nassa (Hima) festiva Powys

Yokoyama, M., 1927b

CM 24236 Nassa (Hima) festiva Powys

Yokoyama, M., 1927b

CM 24237 Nassa (Hima) festiva Powys

Yokoyama, M., 1927b

CM 24238 Nassa (Niotha) livescens Philippi

Yokoyama, M., 1927b

CM 24239 Nassa (Niotha) livescens Philippi

Yokoyama, M., 1927b

CM 24240 Nassa (Niotha) livescens Philippi

Yokoyama, M., 1927b

CM 24241 Nassa (Niotha) livescens Philippi

Yokoyama, M., 1927b

CM 24242 Columbella (Mitrella) dunkeri Tryon

Yokoyama, M., 1927b

CM 24243 Columbella (Mitrella) dunkeri Tryon

Yokoyama, M., 1927b

CM 24244 Columbella (Mitrella) dunkeri Tryon

Yokoyama, M., 1927b

CM 24245 Columbella (Mitrella) dunkeri Tryon

Yokoyama, M., 1927b

CM 24246 Columbella (Atilia) martensi Lischke

Yokoyama, M., 1927b

CM 24247 Columbella (Atilia) smithi Yokoyama

Yokoyama, M., 1927b

CM 24248 Columbella (Atilia) pumila Dunker

Yokoyama, M., 1927b

CM 24249 Columbella (Atilia) pumila Dunker

Yokoyama, M., 1927b

CM 24250 Columbella (Atilia) pumila Dunker

Yokoyama, M., 1927b

CM 24251 Ocinebra contracta (Reeve)

Yokoyama, M., 1927b

CM 24252 Rapana bezoar Linne var. thomasiana Crosse

Yokoyama, M., 1927b

CM 24253 Rapana bezoar Linne var. thomasiana Crosse

Yokoyama, M., 1927b

CM 24254 Rapana bezoar Linne var. thomasiana Crosse

Yokoyama, M., 1927b

CM 24255 Rapana bezoar Linne var. thomasiana Crosse

Yokoyama, M., 1927b

CM 24256 Rapana bezoar Linne var. thomasiana Crosse

Yokoyama, M., 1927b

CM 24257 Purpura alveolata Reeve

Yokoyama, M., 1927b

CM 24258 Dolium luteostomum Kuster

Yokoyama, M., 1927b

CM 24259 Dolium luteostomum Kuster

Yokoyama, M., 1927b

CM 24260 Dolium luteostomum Kuster

Yokoyama, M., 1927b

CM 24261 Dolium luteostomum Kuster

Yokoyama, M., 1927b

CM 24262 Erato callosa A. Adams & Reeve

Yokoyama, M., 1927b

CM 24263 Strombus japonicus Reeve

Yokoyama, M., 1927b

CM 24264 Bittium binodulosum Yokoyama

Yokoyama, M., 1927b

CM 24265 Bittium binodulosum Yokoyama

Yokoyama, M., 1927b

CM 24266 Cerithium (Clava) kochi Philippi

Yokoyama, M., 1927b

CM 24267 Cerithium (Clava) kochi Philippi

Yokoyama, M., 1927b

CM 24268 Cerithium (Clava) kochi Philippi

Yokoyama, M., 1927b

CM 24269 Cerithium (Clava) kochi Philippi

Yokoyama, M., 1927b

CM 24270 Potamides (Batillaria) zonalis Bruguiere

Yokoyama, M., 1927b

CM 24271 Potamides (Batillaria) zonalis Bruguiere

Yokoyama, M., 1927b

CM 24272 Potamides (Batillaria) zonalis Bruguiere

Yokoyama, M., 1927b

CM 24273 Potamides (Batillaria) zonalis Bruguiere

Yokoyama, M., 1927b

CM 24274 Potamides (Batillaria) zonalis Bruguiere

Yokoyama, M., 1927b

CM 24275 Potamides (Batillaria) multiformis (Lischke)

Yokoyama, M., 1927b

CM 24276 Potamides (Batillaria) multiformis (Lischke)

Yokoyama, M., 1927b

CM 24277 Potamides (Batillaria) multiformis (Lischke)

Yokoyama, M., 1927b

CM 24278 Potamides (Tympanotonos) fluviatilis (Potiez & Michaud)

Yokoyama, M., 1927b

CM 24279 Potamides (Tympanotonos) fluviatilis (Potiez & Michaud)

Yokoyama, M., 1927b

CM 24280 Potamides (Tympanotonos) fluviatilis (Potiez & Michaud)

Yokoyama, M., 1927b

CM 24281 Potamides (Tympanotonos) fluviatilis (Potiez & Michaud)

Yokoyama, M., 1927b

CM 24282 Rhinoclavis (Ochetoclava) kochi (Philippi)

Oyama, K., 1973:  p. 26, pl. 5, fig. 26a, b

CM 24282 Cerithium (Proclava) kochi Philippi

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 7

CM 24282 Cerithiopsis pontilis Yokoyama, 1927, Syntype

Yokoyama, M., 1927b:  p. 450, pl. 51, fig. 7

CM 24283 Cerithiopsis pontilis Yokoyama, 1927, Syntype

Yokoyama, M., 1927b

CM 24284 Thylacodes medusae Pilsbry

Yokoyama, M., 1927b

CM 24285 Thylacodes medusae Pilsbry

Yokoyama, M., 1927b

CM 24286 Vermetus perplanorbis Yokoyama, 1927, Holotype

Yokoyama, M., 1927b:  p. 450, pl. 51, fig. 14

CM 24286 Spirorbis perplanorbis (Yokoyama, 1927), Holotype

Oyama, K., 1973:  p. 121, pl. 4, fig. 18

CM 24286 Spirorbis perplanorbis (Yokoyama, 1927), Holotype

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 14

CM 24287 Littorinopsis strigata (Lischke)

Oyama, K., 1973:  p. 19, pl. 4, fig. 1a, b

CM 24287 Littorinopsis (Littorinopsis) intermedia (Philippi)

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 8

CM 24287 Littorina adonis Yokoyama, 1927, Holotype

Yokoyama, M., 1927b:  p. 451, pl. 51, fig. 18

CM 24288 Assiminea (Assiminea) japonica von Martens

Oyama, K., 1973:  p. 21, pl. 4, fig. 3a, b

CM 24288 Assiminea (Assiminea) japonica Martens

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 9

CM 24288 Littorina lucida Yokoyama, 1927, Holotype

Yokoyama, M., 1927b:  p. 451, pl. 51, fig. 9

CM 24289 Litiopa simplex Yokoyama

Yokoyama, M., 1927b

CM 24290 Rissoa (Cingula) paludinoides Yokoyama

Yokoyama, M., 1927b

CM 24291 Rissoa (Cingula) ichikawensis Yokoyama, 1927, Syntype

Yokoyama, M., 1927b:  p. 451, pl. 51, fig. 5

CM 24291 Eufenella ichikawensis (Yokoyama, 1927), Lectotype

Oyama, K., 1973:  p. 24, pl. 5, fig. 1a, b

CM 24291 Eufenella ichikawensis (Yokoyama), Lectotype

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 5

CM 24292 Rissoa (Cingula) ichikawensis Yokoyama, 1927, Syntype

Yokoyama, M., 1927b

CM 24293 Rissoa (Amphithalamus) edogowensis Yokoyama, 1927, Holotype

Yokoyama, M., 1927b:  p. 452, pl. 51, fig. 13

CM 24293 Stenothyra edogawensis (Yokoyama, 1927), Holotype

Oyama, K., 1973:  p. 19, pl. 4, fig. 4a, b

CM 24293 Stenothyra edogawensis (Yokoyama, 1927), Holotype

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 13

CM 24294 Fenella septentrionalis Tokunaga

Yokoyama, M., 1927b

CM 24295 Fenella septentrionalis Tokunaga

Yokoyama, M., 1927b

CM 24296 Fenella septentrionalis Tokunaga

Yokoyama, M., 1927b

CM 24297 Fenella septentrionalis Tokunaga

Yokoyama, M., 1927b

CM 24298 Fenella septentrionalis Tokunaga

Yokoyama, M., 1927b

CM 24299 Fenella tokunagai Yokoyama

Yokoyama, M., 1927b

CM 24300 Fenella tokunagai Yokoyama

Yokoyama, M., 1927b

CM 24301 Eufenella pupoides (A. Adams)

Oyama, K., 1973:  p. 23, pl. 5, fig. 3a, b

CM 24301 Eufenella pupoides (A. Adams)

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 11

CM 24301 Fenella perpupoides Yokoyama, 1927, Syntype

Yokoyama, M., 1927b:  p. 452, pl. 51, fig. 11

CM 24302 Eufenella pupoides (A. Adams)

Oyama, K., 1973:  p. 23, pl. 5, fig. 2a, b

CM 24302 Eufenella pupoides (A. Adams)

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 12

CM 24302 Fenella perpupoides Yokoyama, 1927, Syntype

Yokoyama, M., 1927b:  p. 452, pl. 51, fig. 12

CM 24303 Calyptraea mammilaris (Broderip)

Yokoyama, M., 1927b

CM 24304 Natica janthostoma Deshayes

Yokoyama, M., 1927b

CM 24305 Natica janthostoma Deshayes

Yokoyama, M., 1927b

CM 24306 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1927b

CM 24307 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1927b

CM 24308 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1927b

CM 24309 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1927b

CM 24310 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1927b

CM 24311 Polinices (Neverita) ampla (Philippi)

Yokoyama, M., 1927b

CM 24312 Sigaretus (Eunaticina) papilla (Gmelin)

Yokoyama, M., 1927b

CM 24313 Sigaretus (Eunaticina) papilla (Gmelin)

Yokoyama, M., 1927b

CM 24314 Scala picturata Yokoyama

Yokoyama, M., 1927b

CM 24315 Scala conjuncta Yokoyama

Yokoyama, M., 1927b

CM 24316 Scala densicostata Yokoyama

Yokoyama, M., 1927b

CM 24317 Eulima (Leiostraca) sagamiana Yokoyama

Yokoyama, M., 1927b

CM 24318 Eulima (Leiostraca) tokunagai Yokoyama

Yokoyama, M., 1927b

CM 24319 Eulima (Leiostraca) krishna Yokoyama

Yokoyama, M., 1927b

CM 24320 Eulima (Subularia) ozawai Yokoyama, 1927, Syntype

Yokoyama, M., 1927b:  p. 452, pl. 51, fig. 15

CM 24320 Eulima ozawai Yokoyama, 1927, Holotype

Oyama, K., 1973:  p. 30, pl. 6, fig. 6a, b

CM 24320 Eulima (Eulima) ozawai Yokoyama, 1927, Holotype

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 15

CM 24321 Pyramidella (Actaeopyramis) eximia (Lischke)

Yokoyama, M., 1927b

CM 24322 Pyramidella (Actaeopyramis) eximia (Lischke)

Yokoyama, M., 1927b

CM 24323 Pyramidella (Agatha) virgo (Adams) var. brevis Yokoyama

Yokoyama, M., 1927b

CM 24324 Pyramidella (Agatha) virgo (Adams) var. brevis Yokoyama

Yokoyama, M., 1927b

CM 24325 Pyramidella (Tiberia) pulchella (Adams)

Yokoyama, M., 1927b

CM 24326 Pyramidella (Iphiana) mira Yokoyama

Yokoyama, M., 1927b

CM 24327 Odostomia (Odostomia) limpida Dall & Bartsch

Yokoyama, M., 1927b

CM 24328 Odostomia (Odostomia) sublimpida Yokoyama

Yokoyama, M., 1927b

CM 24329 Odostomia (Odostomia) desimana Dall & Bartsch

Yokoyama, M., 1927b

CM 24330 Odostomia (Heida) rusticella Yokoyama, 1927, Holotype

Yokoyama, M., 1927b:  p. 453, pl. 51, fig. 10

CM 24330 Odostomia (Megastomia) rusticella Yokoyama, 1927, Holotype

Oyama, K., 1973:  p. 61, pl. 18, fig. 3a, b

CM 24330 Odostomia (Megastomia) rusticella Yokoyama, 1927, Holotype

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 10

CM 24331 Cingulina (Polyspirella) cingulata (Dunker)

Oyama, K., 1973:  p. 63, pl. 17, fig. 32a, b

CM 24331 Cingulina (Cingulina) cingulata (Dunker) var.

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 6

CM 24331 Turbonilla (Cingulina) cingulata Dunker

Yokoyama, M., 1927b:  p. 453, pl. 51, fig. 6

CM 24332 Turbonilla (Cingulina) cingulata Dunker

Yokoyama, M., 1927b

CM 24333 Turbonilla (Cingulina) triarata Pilsbry

Yokoyama, M., 1927b

CM 24334 Turbonilla (Pyrgisculus) shigeyasui Yokoyama

Yokoyama, M., 1927b

CM 24335 Turbonilla (Pyrgisculus) shigeyasui Yokoyama

Yokoyama, M., 1927b

CM 24336 Turbonilla (Careliopsis) filiola Yokoyama, 1927, Holotype

Yokoyama, M., 1927b:  p. 453, pl. 51, fig. 16

CM 24336 Sinusicola filiola (Yokoyama, 1927), Lectotype

Oyama, K., 1973:  p. 19, pl. 4, fig. 5a, b

CM 24336 Sinusicola filiola (Yokoyama, 1927), Holotype

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 16

CM 24337 Turbo (Marmorostoma) granulataus Gmelin

Yokoyama, M., 1927b

CM 24338 Leptothyra purpurescens (Dunker)

Yokoyama, M., 1927b

CM 24339 Leptothyra purpurescens (Dunker)

Yokoyama, M., 1927b

CM 24340 Leptothyra purpurescens (Dunker)

Yokoyama, M., 1927b

CM 24341 Calliostoma unicum (Dunker) var. shinagawense Yokoyama

Yokoyama, M., 1927b

CM 24342 Calliostoma unicum (Dunker) var. shinagawense Yokoyama

Yokoyama, M., 1927b

CM 24343 Calliostoma unicum (Dunker) var. shinagawense Yokoyama

Yokoyama, M., 1927b

CM 24344 Umbonium costatum (Valenciennes)

Yokoyama, M., 1927b

CM 24345 Umbonium costatum (Valenciennes)

Yokoyama, M., 1927b

CM 24346 Umbonium costatum (Valenciennes)

Yokoyama, M., 1927b

CM 24347 Umbonium costatum (Valenciennes)

Yokoyama, M., 1927b

CM 24348 Umbonium giganteum (Lesson)

Yokoyama, M., 1927b

CM 24349 Dentalium octogonum Lamarck

Yokoyama, M., 1927b

CM 24350 Dentalium octogonum Lamarck

Yokoyama, M., 1927b

CM 24351 Dentalium octogonum Lamarck

Yokoyama, M., 1927b

CM 24352 Dentalium semipolitum Sowerby

Yokoyama, M., 1927b

CM 24353 Siphonodentalium ozawai Yokoyama

Yokoyama, M., 1927b

CM 24354 Pholas fragilis Sowerby

Yokoyama, M., 1927b

CM 24355 Pholas fragilis Sowerby

Yokoyama, M., 1927b

CM 24356 Martesia striata cupula (Yokoyama)

Oyama, K., 1973:  p. 118, pl. 56, fig. 11a, b

CM 24356 Martesia cupula (Yokoyama)

Taki, I. & Oyama, K., 1954:  pl. 49, fig. 1

CM 24356 Pholas cupula Yokoyama

Yokoyama, M., 1927b:  p. 454, pl. 52, fig. 1

CM 24357 "Teredo" sp.

Oyama, K., 1973:  p. 118, pl. 20, fig. 21a, b

CM 24357 Teredo sp.

Taki, I. & Oyama, K., 1954:  pl. 49, fig. 2

CM 24357 Teredo sp.

Yokoyama, M., 1927b:  p. 454, pl. 52, fig. 2

CM 24358 Panope generosa (Gould)

Yokoyama, M., 1927b

CM 24359 Panope generosa (Gould)

Yokoyama, M., 1927b

CM 24360 Corbula venusta Gould

Yokoyama, M., 1927b

CM 24361 Corbula venusta Gould

Yokoyama, M., 1927b

CM 24362 Mya arenaria Linne

Yokoyama, M., 1927b

CM 24363 Mya arenaria Linne

Yokoyama, M., 1927b

CM 24364 Cryptomya busoensis Yokoyama

Yokoyama, M., 1927b

CM 24365 Cryptomya busoensis Yokoyama

Yokoyama, M., 1927b

CM 24366 Cryptomya tachibanensis Yokoyama, 1927, Syntype

Yokoyama, M., 1927b

CM 24367 Cryptomya (Venatomya) truncata (Gould)

Oyama, K., 1973:  p. 117, pl. 55, fig. 9a-c

CM 24367 Cryptomya (Venatomya) tachibanensis Yokoyama, 1927, Lectotype

Taki, I. & Oyama, K., 1954:  pl. 49, fig. 5

CM 24368 Mactra sulcataria Deshayes

Yokoyama, M., 1927b

CM 24369 Mactra sulcataria Deshayes

Yokoyama, M., 1927b

CM 24370 Mactra sulcataria Deshayes

Yokoyama, M., 1927b

CM 24371 Mactra sulcataria Deshayes

Yokoyama, M., 1927b

CM 24372 Mactra sulcataria Deshayes

Yokoyama, M., 1927b

CM 24373 Mactra dunkeri Yokoyama

Yokoyama, M., 1927b

CM 24374 Mactra ovalina Lamarck

Yokoyama, M., 1927b

CM 24375 Mactra sachalinensis Schrenck var. imperialis Yokoyama

Yokoyama, M., 1927b

CM 24376 Raeta yokohamensis Pilsbry

Yokoyama, M., 1927b

CM 24377 Solen krusensternii Schrenck

Yokoyama, M., 1927b

CM 24378 Solen krusensternii Schrenck

Yokoyama, M., 1927b

CM 24379 Solen krusensternii Schrenck

Yokoyama, M., 1927b

CM 24380 Solen strictus Gould

Oyama, K., 1973:  p. 115, pl. 54, fig. 1a, b

CM 24380 Solen gouldi Conrad

Taki, I. & Oyama, K., 1954:  pl. 48, fig. 17

CM 24380 Solen gouldii Conrad

Yokoyama, M., 1927b:  p. 455, pl. 51, fig. 17

CM 24381 Solecurtus divaricatus (Lischke)

Yokoyama, M., 1927b

CM 24382 Solecurtus divaricatus (Lischke)

Yokoyama, M., 1927b

CM 24383 Donax (Tendidonax) kiusiuensis Pilsbry

Oyama, K., 1973:  p. 110, pl. 52, fig. 1a, b

CM 24383 Donax (Chion) kiusiuensis Pilsbry

Taki, I. & Oyama, K., 1954:  pl. 49, fig. 6

CM 24383 Donax paululus Yokoyama, 1927, Holotype

Yokoyama, M., 1927b:  p. 455, pl. 52, fig. 6

CM 24384 Soletellina olivacea Joy

Yokoyama, M., 1927b

CM 24385 Theora lubrica Gould

Yokoyama, M., 1927b

CM 24386 Tellina venulosa Schrenck

Yokoyama, M., 1927b

CM 24387 Tellina nitidula Dunker

Yokoyama, M., 1927b

CM 24388 Tellina nitidula Dunker

Yokoyama, M., 1927b

CM 24389 Tellina nitidula Dunker

Yokoyama, M., 1927b

CM 24390 Tellina nitidula Dunker

Yokoyama, M., 1927b

CM 24391 Tellina nitidula Dunker

Yokoyama, M., 1927b

CM 24392 Tellina iridella Martens

Yokoyama, M., 1927b

CM 24393 Tellina pallidula Lischke

Yokoyama, M., 1927b

CM 24394 Fabulina (Moerella) peitaihoensis (Grabau & King)

Oyama, K., 1973:  p. 114, pl. 53, fig. 3a, b

CM 24394 Fabulina (Moerella) peitaihoensis (Grabau & King)

Taki, I. & Oyama, K., 1954:  pl. 49, fig. 8

CM 24394 Tellina pallidula Lischke

Yokoyama, M., 1927b:  p. 456, pl. 52, fig. 8

CM 24395 Tellina delta Yokoyama

Yokoyama, M., 1927b

CM 24396 Tellina delta Yokoyama

Yokoyama, M., 1927b

CM 24397 Tellina delta Yokoyama

Yokoyama, M., 1927b

CM 24398 Tellina alternata Say var. chibana Yokoyama

Yokoyama, M., 1927b

CM 24399 Tellina ojiensis Tokunaga

Yokoyama, M., 1927b

CM 24400 Tellina ojiensis Tokunaga

Yokoyama, M., 1927b