UMUT Nos. 22801 - 23000

CM 22801 Dosinia kaneharai siobarense Otuka, 1943, Syntype

Otuka, Y., 1943a

CM 22801 Dosinia kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 133, pl. 18, fig. 2

CM 22801 Dosinia (Kaneharaia) kaneharai Yokoyama, Syntype

Makiyama, J., 1958:  pl. 36, fig. 2

CM 22802 Dosinia kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b

CM 22803 Trachycardium burchardi (Dunker)

Makiyama, J., 1958:  pl. 37, fig. 3

CM 22803 Cardium burchardi Dunker

Yokoyama, M., 1926b:  p. 134, pl. 19, fig. 3

CM 22804 Trachycardium burchardi (Dunker)

Makiyama, J., 1958:  pl. 37, fig. 4

CM 22804 Cardium burchardi Dunker

Yokoyama, M., 1926b:  p. 134, pl. 19, fig. 4

CM 22805 Cardium burchardi Dunker

Yokoyama, M., 1926b

CM 22806 Cardium shiobarense Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 134, pl. 20, fig. 2

CM 22806 Trachycardium shiobarense (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 38, fig. 2

CM 22807 Cardium shiobarense Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 134, pl. 20, fig. 3

CM 22807 Trachycardium shiobarense (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 38, fig. 3

CM 22808 Cardium shiobarense Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 134, pl. 20, fig. 4

CM 22808 Trachycardium shiobarense (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 38, fig. 4

CM 22809 Cardium shiobarense Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 134, pl. 20, fig. 5

CM 22809 Trachycardium shiobarense (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 38, fig. 5

CM 22810 Cardium shiobarense Yokoyama, 1926, Syntype

Yokoyama, M., 1926b

CM 22811 Cardium shiobarense Yokoyama, 1926, Syntype

Yokoyama, M., 1926b

CM 22812 Cardium shiobarense Yokoyama, 1926, Syntype

Yokoyama, M., 1926b

CM 22813 Lucina (Phacoides) borealis Linne

Yokoyama, M., 1926b

CM 22814 Lucina (Phacoides) borealis Linne

Yokoyama, M., 1926b

CM 22815 Mytilus crassitesta Lischke

Makiyama, J., 1958:  pl. 38, fig. 1

CM 22815 Mytilus giganteus Holmberg

Yokoyama, M., 1926b:  p. 135, pl. 20, fig. 1

CM 22816 Mytilus giganteus Holmberg

Yokoyama, M., 1926b

CM 22817 Pecten swiftii Bernardi

Yokoyama, M., 1926b

CM 22818 Pecten yessoensis Jay

Yokoyama, M., 1926b

CM 22819 Pecten kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 135, pl. 18, fig. 1

CM 22819 Chlamys kaneharai (Yokoyama), Syntype

Shikama, T., 1943:  p. 233, pl. 37, fig. 1

CM 22819 Chlamys kaneharai (Yokoyama), Syntype

Shikama, T., 1952:  p. 150, pl. 37, fig. 1

CM 22819 Chlamys kaneharai (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 36, fig. 1

CM 22820 Pecten kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 135, pl. 19, fig. 1

CM 22820 Chlamys kaneharai (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 37, fig. 1

CM 22821 Pecten kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 135, pl. 19, fig. 2

CM 22821 Chlamys kaneharai (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 37, fig. 2

CM 22822 Pecten kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 135, pl. 19, fig. 5

CM 22822 Chlamys kaneharai (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 37, fig. 5

CM 22823 Pecten kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 135, pl. 19, fig. 6

CM 22823 Chlamys kaneharai (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 37, fig. 6

CM 22824 Pecten kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b:  p. 135, pl. 19, fig. 7

CM 22824 Chlamys kaneharai (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 37, fig. 7

CM 22825 Pecten kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b

CM 22826 Pecten kaneharai Yokoyama, 1926, Syntype

Yokoyama, M., 1926b

CM 22827 Ostrea sp.

Yokoyama, M., 1926b

CM 22828 Ostrea sp.

Yokoyama, M., 1926b

CM 22829 Arca sp.

Yokoyama, M., 1926b

CM 22830 Arca sp.

Yokoyama, M., 1926b

CM 22831 Arca sp.

Yokoyama, M., 1926b

CM 22832 Pectunculus yessoensis Sowerby

Yokoyama, M., 1926b

CM 22833 Glycymeris cisshuensis Makiyama

Makiyama, J., 1958:  pl. 34, fig. 5

CM 22833 Pectunculus sp.

Yokoyama, M., 1926b:  p. 136, pl. 16, fig. 5

CM 22834 Pectunculus sp.

Yokoyama, M., 1926b

CM 22835 Pectunculus sp.

Yokoyama, M., 1926b

CM 22836 Yoldia ensicula Yokoyama, 1926, Holotype

Yokoyama, M., 1926b:  p. 137, pl. 16, fig. 6

CM 22836 Yoldia ensicula Yokoyama, Holotype

Makiyama, J., 1958:  pl. 34, fig. 6

CM 22837 Acila submirabilis Makiyama

Makiyama, J., 1958:  pl. 34, fig. 1a

CM 22837 Nucula mirabilis A. Adams & Reeve

Yokoyama, M., 1926b:  p. 137, pl. 16, fig. 1a

CM 22838 Nucula mirabilis A. Adams & Reeve

Yokoyama, M., 1926b

CM 22839 Cardium sp.

Yokoyama, M., 1926b

CM 22840 Cylichna affabilis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 216, pl. 28, fig. 1

CM 22840 Cylichna affabilis Yokoyama, Syntype

Makiyama, J., 1958:  pl. 39, fig. 1, 1a

CM 22841 Cylichna affabilis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 216, pl. 28, fig. 2

CM 22841 Cylichna affabilis Yokoyama, Syntype

Makiyama, J., 1958:  pl. 39, fig. 2

CM 22842 Cylichna affabilis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c

CM 22843 Cylichna affabilis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c

CM 22844 Cylichna corpulenta Yokoyama, 1926, Holotype

Yokoyama, M., 1926c:  p. 217, pl. 28, fig. 3, 3a

CM 22844 Cylichna corpulenta Yokoyama, Holotype

Makiyama, J., 1958:  pl. 39, fig. 3, 3a

CM 22845 Siphonalia cassidaraeformis Reeve

Yokoyama, M., 1926c

CM 22846 Siphonalia cassidaraeformis Reeve

Yokoyama, M., 1926c

CM 22847 Buccinum leucostoma Lischke

Yokoyama, M., 1926c

CM 22848 Nassa (Hima) japonica Adams

Yokoyama, M., 1926c

CM 22849 Nassa (Hima) japonica Adams

Yokoyama, M., 1926c

CM 22850 Cerithium kobelti Dunker

Yokoyama, M., 1926c

CM 22851 Cerithium ishiianum Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 218, pl. 28, fig.11

CM 22851 Vicaryella ishiiana (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 39, fig. 11

CM 22852 Cerithium ishiianum Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 218, pl. 28, fig.12

CM 22852 Cerithium ishiianum Yokoyama, Syntype

Shikama, T., 1943:  p. 238, pl. 38, fig. 13

CM 22852 Vicaryella ishiiana (Yokoyama), Syntype

Shikama, T., 1952:  p. 150, pl. 38, fig. 13

CM 22852 Vicaryella ishiiana (Yokoyama), Syntype

Shikama, T., 1964:  p. 104, pl. 29, fig. 2

CM 22852 Vicaryella ishiiana (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 39, fig. 12

CM 22853 Cerithium ishiianum Yokoyama, 1926, Syntype

Yokoyama, M., 1926c

CM 22854 Cerithium ishiianum Yokoyama, 1926, Syntype

Yokoyama, M., 1926c

CM 22855 Vicarya vernuilli yokoyamai Takeyama

Makiyama, J., 1958:  pl. 39, fig. 4

CM 22855 Vicarya baculum (Yokoyama)

Yokoyama, M., 1926c:  p. 219, pl. 28, fig. 4

CM 22856 Vicarya vernuilli yokoyamai Takeyama

Makiyama, J., 1958:  pl. 39, fig. 5

CM 22856 Vicarya baculum (Yokoyama)

Yokoyama, M., 1926c:  p. 219, pl. 28, fig. 5

CM 22857 Vicarya vernuilli yokoyamai Takeyama

Makiyama, J., 1958:  pl. 39, fig. 6

CM 22857 Vicarya baculum (Yokoyama)

Yokoyama, M., 1926c:  p. 219, pl. 28, fig. 6

CM 22858 Vicarya baculum (Yokoyama)

Yokoyama, M., 1926c

CM 22859 Vicarya baculum (Yokoyama)

Yokoyama, M., 1926c

CM 22860 Potamides (Tympanotonos) fluviatilis (Postiez & Michaud)

Yokoyama, M., 1926c

CM 22861 Turritella nipponica Yokoyama

Yokoyama, M., 1926c

CM 22862 Turritella nipponica Yokoyama

Yokoyama, M., 1926c

CM 22863 Turritella nipponica Yokoyama

Yokoyama, M., 1926c

CM 22864 Turritella nipponica Yokoyama

Yokoyama, M., 1926c

CM 22865 Turritella nipponica Yokoyama

Yokoyama, M., 1926c

CM 22866 Turritella nipponica Yokoyama

Yokoyama, M., 1926c

CM 22867 Turritella nipponica Yokoyama

Yokoyama, M., 1926c

CM 22868 Turritella nipponica Yokoyama

Yokoyama, M., 1926c

CM 22869 Natica janthostoma Deshayes

Yokoyama, M., 1926c

CM 22870 Natica janthostoma Deshayes

Yokoyama, M., 1926c

CM 22871 Natica janthostoma Deshayes

Yokoyama, M., 1926c

CM 22872 Natica janthostoma Deshayes

Yokoyama, M., 1926c

CM 22873 Dentalium sp.

Yokoyama, M., 1926c

CM 22874 Dentalium sp.

Yokoyama, M., 1926c

CM 22875 Dentalium sp.

Yokoyama, M., 1926c

CM 22876 Dentalium sp.

Yokoyama, M., 1926c

CM 22877 Mactra semmiana Yokoyama

Yokoyama, M., 1926c

CM 22878 Solen grandis Dunker

Yokoyama, M., 1926c

CM 22879 Solen grandis Dunker

Yokoyama, M., 1926c

CM 22880 Cultellus izumoensis Yokoyama

Yokoyama, M., 1926c

CM 22881 Cultellus izumoensis Yokoyama

Yokoyama, M., 1926c

CM 22882 Cultellus izumoensis Yokoyama

Yokoyama, M., 1926c

CM 22883 Cultellus izumoensis Yokoyama

Yokoyama, M., 1926c

CM 22884 Soletellina minoensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 221, pl. 28, fig.14

CM 22884 Soletellina minoensis Yokoyama, Syntype

Shikama, T., 1943:  p. 235, pl. 37, fig. 14a, b

CM 22884 Sanguinolaria minoensis (Yokoyama), Syntype

Shikama, T., 1952:  p. 150, pl. 37, fig. 14a, b

CM 22884 Soletellina minoensis Yokoyama, Syntype

Shikama, T., 1964:  p. 142, pl. 48, fig. 15

CM 22884 Sanguinolaria minoensis (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 39, fig. 14

CM 22885 Soletellina minoensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 221, pl. 28, fig.15, 16

CM 22885 Sanguinolaria minoensis (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 39, fig. 15, 16

CM 22886 Soletellina minoensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c

CM 22887 Soletellina minoensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 221, pl. 28, fig.13

CM 22887 Sanguinolaria minoensis (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 39, fig. 13

CM 22888 Soletellina minoensis Yokoyama, 1926, Syntype

Yokoyama, M., 1926c

CM 22889 Macoma tokyoensis Makiyama

Makiyama, J., 1958:  pl. 39, fig. 10

CM 22889 Macoma dissimilis (Martens)

Yokoyama, M., 1926c:  p. 221, pl. 28, fig. 10

CM 22890 Macoma dissimilis (Martens)

Yokoyama, M., 1926c

CM 22891 Cyclina sinensis Gmelin

Makiyama, J., 1958:  pl. 39, fig. 7

CM 22891 Macoma dissimilis (Martens)

Yokoyama, M., 1926c

CM 22892 Dosinia troscheli Lischke

Yokoyama, M., 1926c

CM 22893 Dosinia troscheli Lischke

Yokoyama, M., 1926c

CM 22894 Dosinia troscheli Lischke

Yokoyama, M., 1926c

CM 22895 Dosinia troscheli Lischke

Yokoyama, M., 1926c

CM 22896 Cyclina chinensis (Chemnitz)

Yokoyama, M., 1926c:  p. 222, pl. 28, fig. 7

CM 22897 Cyclina chinensis (Chemnitz)

Yokoyama, M., 1926c

CM 22898 Cyclina chinensis (Chemnitz)

Yokoyama, M., 1926c

CM 22899 Meretrix (Callista) chinensis (Chemnitz)

Yokoyama, M., 1926c

CM 22900 Meretrix (Callista) chinensis (Chemnitz)

Yokoyama, M., 1926c

CM 22901 Meretrix (Callista) chinensis (Chemnitz)

Yokoyama, M., 1926c

CM 22902 Clementia speciosa Yokoyama

Yokoyama, M., 1926c

CM 22903 Cardium shinjiense Yokoyama

Yokoyama, M., 1926c

CM 22904 Cardium shinjiense Yokoyama

Yokoyama, M., 1926c

CM 22905 Cardium shinjiense Yokoyama

Yokoyama, M., 1926c

CM 22906 Diplodonta usta Gould

Yokoyama, M., 1926c

CM 22907 Diplodonta usta Gould

Yokoyama, M., 1926c

CM 22908 Diplodonta usta Gould

Yokoyama, M., 1926c

CM 22909 Diplodonta usta Gould

Yokoyama, M., 1926c

CM 22910 Lucina (Phacoides) borealis (Linne)

Yokoyama, M., 1926c

CM 22911 Cyclocardia tokunagai (Yokoyama)

Makiyama, J., 1958:  pl. 39, fig. 17

CM 22911 Venericardia tokunagai Yokoyama

Yokoyama, M., 1926c:  p. 223, pl. 28, fig. 17

CM 22912 Cyclocardia tokunagai (Yokoyama)

Makiyama, J., 1958:  pl. 39, fig. 18

CM 22912 Venericardia tokunagai Yokoyama

Yokoyama, M., 1926c:  p. 223, pl. 28, fig. 18

CM 22913 Venericardia tokunagai Yokoyama

Yokoyama, M., 1926c

CM 22914 Venericardia tokunagai Yokoyama

Yokoyama, M., 1926c

CM 22915 Venericardia tokunagai Yokoyama

Yokoyama, M., 1926c

CM 22916 Venericardia tokunagai Yokoyama

Yokoyama, M., 1926c

CM 22917 Venericardia sp.

Yokoyama, M., 1926c

CM 22918 Modiola barbata (Linne)

Yokoyama, M., 1926c

CM 22919 Crenella fornicata Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 224, pl. 28, fig. 8

CM 22919 Solamen fornicatum (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 39, fig. 8

CM 22920 Crenella fornicata Yokoyama, 1926, Syntype

Yokoyama, M., 1926c:  p. 224, pl. 28, fig. 9

CM 22920 Solamen fornicatum (Yokoyama), Syntype

Makiyama, J., 1958:  pl. 39, fig. 9

CM 22921 Lima goliath Sowerby

Yokoyama, M., 1926c

CM 22922 Pecten yessoensis Jay

Yokoyama, M., 1926c

CM 22923 Pecten yessoensis Jay

Yokoyama, M., 1926c

CM 22924 Pecten yessoensis Jay

Yokoyama, M., 1926c

CM 22925 Arca kobeltiana Pilsbry

Yokoyama, M., 1926c

CM 22926 Arca kobeltiana Pilsbry

Yokoyama, M., 1926c

CM 22927 Arca kobeltiana Pilsbry

Yokoyama, M., 1926c

CM 22928 Arca kobeltiana Pilsbry

Yokoyama, M., 1926c

CM 22929 Pectunculus yessoensis Sowerby

Yokoyama, M., 1926c

CM 22930 Pectunculus yessoensis Sowerby

Yokoyama, M., 1926c

CM 22931 Parallelodon obliquatus Yokoyama

Yokoyama, M., 1926c

CM 22932 Leda confusa Hanley

Yokoyama, M., 1926c

CM 22933 Leda confusa Hanley

Yokoyama, M., 1926c

CM 22934 Leda confusa Hanley

Yokoyama, M., 1926c

CM 22935 Leda confusa Hanley

Yokoyama, M., 1926c

CM 22936 Leda confusa Hanley

Yokoyama, M., 1926c

CM 22937 Leda confusa Hanley

Yokoyama, M., 1926c

CM 22938 Leda inermis Yokoyama

Yokoyama, M., 1926c

CM 22939 Nucula mirabilis A. Adams & Reeve

Yokoyama, M., 1926c

CM 22940 Nucula mirabilis A. Adams & Reeve

Yokoyama, M., 1926c

CM 22941 Nucula mirabilis A. Adams & Reeve

Yokoyama, M., 1926c

CM 22942 Yoldia sagittaria Yokoyama

Yokoyama, M., 1926c

CM 22950 Turritella nipponica Yokoyama

Yokoyama, M., 1926d

CM 22951 Natica janthostoma Deshayes

Yokoyama, M., 1926d

CM 22952 Trochus sp.

Yokoyama, M., 1926d

CM 22953 Helcioniscus sp.

Yokoyama, M., 1926d

CM 22954 Hipponyx sp.

Yokoyama, M., 1926d

CM 22955 Macoma praetexta (Martens)

Yokoyama, M., 1926d

CM 22956 Cardium shinjiense Yokoyama

Yokoyama, M., 1926d

CM 22957 Thyasira bisecta (Conrad) var. nipponica Yabe & Nomura

Yokoyama, M., 1926d

CM 22958 Arca subcrenata Lischke

Yokoyama, M., 1926d

CM 22959 Leda confusa Hanley

Yokoyama, M., 1926d

CM 22960 Solemya tokunagai Yokoyama

Yokoyama, M., 1926d

CM 22961 Voluta megaspira Sowerby

Yokoyama, M., 1926d

CM 22962 Tellina optiva Yokoyama

Yokoyama, M., 1926d

CM 22963 Venus stimpsoni ? Gould

Yokoyama, M., 1926d

CM 22964 Trachycardium aff. elongatum (Bruguiere)

Makiyama, J., 1958:  pl. 40, fig. 5, 5a

CM 22964 Cardium elongatum Bruguiere

Yokoyama, M., 1926d:  p. 232, pl. 29, fig. 5, 5a

CM 22965 Lucina (Phacoides) borealis Linne

Yokoyama, M., 1926d

CM 22966 Pectunculus sp.

Yokoyama, M., 1926d

CM 22967 Voluta megaspira Sowerby

Yokoyama, M., 1926d

CM 22968 Fulgoraria (Psephaea) striata (Yokoyama)

Makiyama, J., 1958:  pl. 40, fig. 1

CM 22968 Musashia (Nipponomelon) prevostiana magna (Kuroda & Habe)

Shikama, T., 1967

CM 22968 Voluta megaspira Sowerby

Yokoyama, M., 1926d:  p. 232, pl. 29, fig. 1

CM 22969 Natica janthostoma Deshayes

Yokoyama, M., 1926d

CM 22970 Mya cuneiformis (Bohm)

Makiyama, J., 1958:  pl. 40, fig. 7

CM 22970 Mya crassa Grewinck

Yokoyama, M., 1926d:  p. 232, pl. 29, fig. 6

CM 22971 Tellina sp.

Yokoyama, M., 1926d

CM 22972 Thyasira bisecta (Conrad) var. nipponica Yabe & Nomura

Yokoyama, M., 1926d

CM 22973 Voluta megaspira Sowerby

Yokoyama, M., 1926d

CM 22974 Buccinum leucostoma Lischke

Yokoyama, M., 1926d

CM 22975 Natica sp.

Yokoyama, M., 1926d

CM 22976 Mya cf. japonica Jay

Makiyama, J., 1958:  pl. 40, fig. 6

CM 22976 Mya crassa Grewinck

Yokoyama, M., 1926d:  p. 232, pl. 29, fig. 7

CM 22977 Mya cf. japonica Jay

Makiyama, J., 1958:  pl. 40, fig. 8

CM 22977 Mya crassa Grewinck

Yokoyama, M., 1926d:  p. 232, pl. 29, fig. 8

CM 22978 Lucina (Phacoides) borealis Linne

Yokoyama, M., 1926d

CM 22979 Venericardia cf. tokunagai Yokoyama

Yokoyama, M., 1926d

CM 22980 Tellina sp.

Yokoyama, M., 1926d

CM 22981 Dosinia troscheli Lischke

Yokoyama, M., 1926d

CM 22982 Meretrix meretrix Linne

Yokoyama, M., 1926d

CM 22983 Tapes ? sp.

Yokoyama, M., 1926d

CM 22984 Cardium braunsi Tokunaga

Yokoyama, M., 1926d

CM 22985 Cardium sp.

Yokoyama, M., 1926d

CM 22986 Cardium sp.

Yokoyama, M., 1926d

CM 22987 Lucina (Phacoides) borealis Linne

Yokoyama, M., 1926d

CM 22988 Thracia sp.

Yokoyama, M., 1926d

CM 22989 Pectunculus yessoensis Sowerby

Yokoyama, M., 1926d

CM 22990 Nucula mirabilis A. Adams & Reeve

Yokoyama, M., 1926d

CM 22991 Panope generosa Gould

Yokoyama, M., 1926d

CM 22992 Macoma dissimilis (Martens)

Yokoyama, M., 1926d

CM 22993 Dosinia angulosa Philippi

Yokoyama, M., 1926d

CM 22994 Voluta megaspira Sowerby

Yokoyama, M., 1926d

CM 22995 Macoma dissimilis (Martens)

Yokoyama, M., 1926d

CM 22996 Lucina (Phacoides) borealis Linne

Yokoyama, M., 1926d

CM 22997 Yoldia gratiosa Yokoyama

Yokoyama, M., 1926d

CM 22998 Natica janthostoma Deshayes

Yokoyama, M., 1926d

CM 22999 Mya arenaria Linne var. japonica Jay

Yokoyama, M., 1926d

CM 23000 Cardium shinjiense Yokoyama

Yokoyama, M., 1926d