UMUT Nos. 25601 - 25800

CM 25601 Corbula sp.

Yokoyama, M., 1930a

CM 25602 Corbula sp.

Yokoyama, M., 1930a

CM 25603 Mactra sulcataria Deshayes

Yokoyama, M., 1930a

CM 25604 Cultellus izumoensis Yokoyama

Yokoyama, M., 1930a

CM 25605 Soletellina violacea Lamarck

Yokoyama, M., 1930a

CM 25606 Macoma inquinata (Deshayes)

Yokoyama, M., 1930a

CM 25607 Macoma praetexta (von Martens)

Yokoyama, M., 1930a

CM 25608 Macoma nipponica (Tokunaga)

Yokoyama, M., 1930a

CM 25609 Dosinia angulosa (Philippi)

Yokoyama, M., 1930a

CM 25610 Dosinia angulosa (Philippi)

Yokoyama, M., 1930a

CM 25611 Chione casinaeformis Yokoyama

Yokoyama, M., 1930a

CM 25612 Chione casinaeformis Yokoyama

Yokoyama, M., 1930a

CM 25613 Tapes sp.

Yokoyama, M., 1930a

CM 25614 Tapes sp.

Yokoyama, M., 1930a

CM 25615 Tapes sp.

Yokoyama, M., 1930a

CM 25616 Tapes sp.

Yokoyama, M., 1930a

CM 25617 Tapes sp.

Yokoyama, M., 1930a

CM 25618 Tapes ? sp.

Yokoyama, M., 1930a

CM 25619 Gomphina ? sp.

Yokoyama, M., 1930a

CM 25620 Cardium ? sp.

Yokoyama, M., 1930a

CM 25621 Diplodonta usta (Gould)

Yokoyama, M., 1930a

CM 25622 Phacodes borealis (Linne)

Yokoyama, M., 1930a

CM 25623 Venericardia ferruginea Adams

Yokoyama, M., 1930a

CM 25624 Crassatellites sp.

Yokoyama, M., 1930a

CM 25625 Crassatellites sp.

Yokoyama, M., 1930a

CM 25626 Crassatellites sp.

Yokoyama, M., 1930a

CM 25627 Crassatellites sp.

Yokoyama, M., 1930a

CM 25628 Crassatellites sp.

Yokoyama, M., 1930a

CM 25629 Crassatellites sp.

Yokoyama, M., 1930a

CM 25630 Thracia pubescens Pulteney

Yokoyama, M., 1930a

CM 25631 Anomia lischkei Fischer & Dautzenberg

Yokoyama, M., 1930a

CM 25632 Pecten heteroglyptus Yokoyama

Yokoyama, M., 1930a

CM 25633 Pecten heteroglyptus Yokoyama

Yokoyama, M., 1930a

CM 25634 Ostrea gigas Thunberg

Yokoyama, M., 1930a

CM 25635 Arca sp.

Yokoyama, M., 1930a

CM 25636 Arca sp.

Yokoyama, M., 1930a

CM 25637 Arca sp.

Yokoyama, M., 1930a

CM 25638 Arca sp.

Yokoyama, M., 1930a

CM 25639 Arca sp.

Yokoyama, M., 1930a

CM 25640 Leda confusa Hanley

Yokoyama, M., 1930a

CM 25641 Nucula (Acila) mirabilis A. Adams & Reeve

Yokoyama, M., 1930a

CM 25642 Voluta megaspira Sowerby

Yokoyama, M., 1930c

CM 25643 Mitra ? sp.

Yokoyama, M., 1930c

CM 25644 Chrysodomus despectus (Linne)

Yokoyama, M., 1930c

CM 25645 Chrysodomus despectus (Linne)

Yokoyama, M., 1930c

CM 25646 Beringius ? hanzoganensis Yokoyama

Makiyama, J., 1959:  pl. 76, fig. 4

CM 25646 Beringius ? hanzoganensis Yokoyama

Yokoyama, M., 1930c:  p. 413, pl. 77, fig. 4

CM 25647 Buccinum leucostama Lischke

Yokoyama, M., 1930c

CM 25648 Buccinum leucostama Lischke

Yokoyama, M., 1930c

CM 25649 Buccinum leucostama Lischke

Yokoyama, M., 1930c

CM 25650 Priene oregonensis (Redfield)

Yokoyama, M., 1930c

CM 25651 Cerithium tokudai Yokoyama, 1930, Holotype

Yokoyama, M., 1930c:  p. 414, pl. 77, fig. 3

CM 25651 Bittium tokudai (Yokoyama), Holotype

Makiyama, J., 1959:  pl. 76, fig. 3

CM 25652 Turritella nipponica Yokoyama

Yokoyama, M., 1930c

CM 25653 Natica janthostoma Deshayes

Yokoyama, M., 1930c

CM 25654 Natica janthostoma Deshayes

Yokoyama, M., 1930c

CM 25655 Natica janthostoma Deshayes

Yokoyama, M., 1930c

CM 25656 Natica janthostoma Deshayes

Yokoyama, M., 1930c

CM 25657 Natica janthostoma Deshayes

Yokoyama, M., 1930c

CM 25658 Natica janthostoma Deshayes

Yokoyama, M., 1930c

CM 25659 Dentalium sp.

Yokoyama, M., 1930c

CM 25660 Teredo sp.

Yokoyama, M., 1930c

CM 25661 Mya arenaria Linne

Yokoyama, M., 1930c

CM 25662 Mya arenaria Linne

Yokoyama, M., 1930c

CM 25663 Mya arenaria Linne

Yokoyama, M., 1930c

CM 25664 Mya arenaria Linne

Yokoyama, M., 1930c

CM 25665 Mya arenaria Linne

Yokoyama, M., 1930c

CM 25666 Mya arenaria Linne

Yokoyama, M., 1930c

CM 25667 Mactra sulactaria Deshayes

Yokoyama, M., 1930c

CM 25668 Mactra sulactaria Deshayes

Yokoyama, M., 1930c

CM 25669 Spisula grayana Schrenck

Yokoyama, M., 1930c

CM 25670 Tellina besshoensis Yokoyama

Yokoyama, M., 1930c

CM 25671 Tellina optiva Yokoyama

Yokoyama, M., 1930c

CM 25672 Tellina optiva Yokoyama

Yokoyama, M., 1930c

CM 25673 Tellina optiva Yokoyama

Yokoyama, M., 1930c

CM 25674 Tellina optiva Yokoyama

Yokoyama, M., 1930c

CM 25675 Tellina optiva Yokoyama

Yokoyama, M., 1930c

CM 25676 Tellina optiva Yokoyama

Yokoyama, M., 1930c

CM 25677 Tellina optiva Yokoyama

Yokoyama, M., 1930c

CM 25678 Macoma dissimilis (Martens)

Yokoyama, M., 1930c

CM 25679 Macoma dissimilis (Martens)

Yokoyama, M., 1930c

CM 25680 Macoma dissimilis (Martens)

Yokoyama, M., 1930c

CM 25681 Macoma inquinata (Deshayes)

Yokoyama, M., 1930c

CM 25682 Macoma inquinata (Deshayes)

Yokoyama, M., 1930c

CM 25683 Macoma nipponica (Tokunaga)

Yokoyama, M., 1930c

CM 25684 Macoma nipponica (Tokunaga)

Yokoyama, M., 1930c

CM 25685 Macoma [or Tellina] sp.

Yokoyama, M., 1930c

CM 25686 Liocyma hokkaidoensis Habe

Makiyama, J., 1959:  pl. 76, fig. 6

CM 25686 Chione astartoides (Beck), Syntype

Yokoyama, M., 1930c:  p. 414, pl. 77, fig. 6

CM 25687 Tapes sp.

Yokoyama, M., 1930c

CM 25688 Cardium nuttallii Conrad

Yokoyama, M., 1930c

CM 25689 Cardium nuttallii Conrad

Yokoyama, M., 1930c

CM 25690 Cardium nuttallii Conrad

Yokoyama, M., 1930c

CM 25691 Cardium nuttallii Conrad

Yokoyama, M., 1930c

CM 25692 Cardium groenlandicum Chemnitz

Yokoyama, M., 1930c

CM 25693 Cardium groenlandicum Chemnitz

Yokoyama, M., 1930c

CM 25694 Cardium groenlandicum Chemnitz

Yokoyama, M., 1930c

CM 25695 Cardium groenlandicum Chemnitz

Yokoyama, M., 1930c

CM 25696 Cardium groenlandicum Chemnitz

Yokoyama, M., 1930c

CM 25697 Cardium groenlandicum Chemnitz

Yokoyama, M., 1930c

CM 25698 Cardium taracaicum Yokoyama, 1930, Syntype

Yokoyama, M., 1930c:  p. 414, pl. 77, fig. 1

CM 25698 Clinocardium taracaicum (Yokoyama), Syntype

Makiyama, J., 1959:  pl. 76, fig. 1a, b

CM 25698 Laevicardium taracaicum (Yokoyama, 1930), Syntype

Oyama, K. et al., 1960:  p. 176, pl. 54, fig. 2d, e

CM 25699 Cardium taracaicum Yokoyama, 1930, Syntype

Yokoyama, M., 1930c:  p. 414, pl. 77, fig. 2

CM 25699 Laevicardium taracaicus (Yokoyama), Syntype

Shikama, T., 1964:  p. 136, pl. 45, fig. 26

CM 25699 Clinocardium taracaicum (Yokoyama), Syntype

Makiyama, J., 1959:  pl. 76, fig. 2a, b

CM 25699 Laevicardium taracaicum (Yokoyama, 1930), Syntype

Oyama, K. et al., 1960:  p. 176, pl. 54, fig. 2b, c

CM 25700 Nemocardium yokoyamai Takeda

Makiyama, J., 1959:  pl. 77, fig. 3a, b

CM 25700 Cardium (Laevicardium) tristiculum Yokoyama

Yokoyama, M., 1930c:  p. 415, pl. 78, fig. 3a, b

CM 25701 Nemocardium yokoyamai Takeda

Makiyama, J., 1959:  pl. 77, fig. 4a, b

CM 25701 Cardium (Laevicardium) tristiculum Yokoyama

Yokoyama, M., 1930c:  p. 415, pl. 78, fig. 4a, b

CM 25702 Nemocardium yokoyamai Takeda

Makiyama, J., 1959:  pl. 77, fig. 5

CM 25702 Cardium (Laevicardium) tristiculum Yokoyama

Yokoyama, M., 1930c:  p. 415, pl. 78, fig. 5

CM 25702 Nemocardium yokoyamai Takeda, 1953, Lectotype

Oyama, K. et al., 1960:  p. 175, pl. 66, fig. 6a

CM 25703 Nemocardium yokoyamai Takeda

Makiyama, J., 1959:  pl. 77, fig. 6

CM 25703 Cardium (Laevicardium) tristiculum Yokoyama

Yokoyama, M., 1930c:  p. 415, pl. 78, fig. 6

CM 25703 Nemocardium yokoyamai Takeda, 1953, Paralectotype

Oyama, K. et al., 1960:  p. 175, pl. 66, fig. 6b

CM 25704 Cardium (Laevicardium) tristiculum Yokoyama

Yokoyama, M., 1930c

CM 25705 Thyasira bisecta (Conrad)

Yokoyama, M., 1930c

CM 25706 Thyasira bisecta (Conrad)

Yokoyama, M., 1930c

CM 25707 Thyasira bisecta (Conrad)

Yokoyama, M., 1930c

CM 25708 Thyasira bisecta (Conrad)

Yokoyama, M., 1930c

CM 25710 Diplodonta usta Gould

Yokoyama, M., 1930c

CM 25711 Lucina borealis Linne

Yokoyama, M., 1930c

CM 25712 Lucina borealis Linne

Yokoyama, M., 1930c

CM 25713 Lucina ? sp.

Yokoyama, M., 1930c

CM 25714 Venericardia sp.

Yokoyama, M., 1930c

CM 25715 Venericardia sp.

Yokoyama, M., 1930c

CM 25716 Venericardia sp.

Yokoyama, M., 1930c

CM 25717 Crassatellites ? sp.

Yokoyama, M., 1930c

CM 25718 Thracia sp.

Makiyama, J., 1959:  pl. 79, fig. 2

CM 25718 Thracia sp.

Yokoyama, M., 1930c:  p. 415, pl. 80, fig. 2

CM 25719 Mytilus sp.

Yokoyama, M., 1930c

CM 25720 Modiola modiolus Linne

Yokoyama, M., 1930c

CM 25721 Monia macrochisma (Deshayes)

Makiyama, J., 1959:  pl. 76, fig. 5

CM 25721 Placunanomia sp.

Yokoyama, M., 1930c:  p. 416, pl. 77, fig. 5

CM 25722 Pecten yessoensis Jay

Makiyama, J., 1959:  pl. 79, fig. 3

CM 25722 Pecten subyessoensis Yokoyama, 1930, Syntype

Yokoyama, M., 1930c:  p. 416, pl. 80, fig. 3

CM 25723 Pecten yessoensis Jay

Makiyama, J., 1959:  pl. 79, fig. 4

CM 25723 Pecten subyessoensis Yokoyama, 1930, Syntype

Yokoyama, M., 1930c:  p. 416, pl. 80, fig. 4

CM 25724 Pecten takahashii Yokoyama, 1930, Syntype

Yokoyama, M., 1930c:  p. 416, pl. 78, fig. 1

CM 25724 Pecten (Fortipecten) takahashii Yokoyama, Syntype

Makiyama, J., 1959:  pl. 77, fig. 1

CM 25725 Pecten takahashii Yokoyama, 1930, Syntype

Yokoyama, M., 1930c:  p. 416, pl. 78, fig. 2

CM 25725 Pecten (Fortipecten) takahashii Yokoyama, Syntype

Makiyama, J., 1959:  pl. 77, fig. 2

CM 25726 Pecten takahashii Yokoyama, 1930, Syntype

Yokoyama, M., 1930c:  p. 416, pl. 79, fig. 1

CM 25726 Pecten takahashii Yokoyama, Syntype

Shikama, T., 1943:  p. 240, pl. 39, fig. 1

CM 25726 Pecten (Fortipecten) takahashii Yokoyama, Syntype

Shikama, T., 1952:  p. 154, pl. 39, fig. 1

CM 25726 Fortipecten takahashii (Yokoyama), Syntype

Shikama, T., 1964:  p. 126, pl. 40, fig. 14

CM 25726 Pecten (Fortipecten) takahashii Yokoyama, Syntype

Makiyama, J., 1959:  pl. 78, fig. 1

CM 25727 Pecten takahashii Yokoyama, 1930, Syntype

Yokoyama, M., 1930c:  p. 416, pl. 79, fig. 2

CM 25727 Pecten (Fortipecten) takahashii Yokoyama, Syntype

Makiyama, J., 1959:  pl. 78, fig. 2

CM 25728 Pecten takahashii Yokoyama, 1930, Syntype

Yokoyama, M., 1930c

CM 25729 Pecten takahashii Yokoyama, 1930, Syntype

Yokoyama, M., 1930c

CM 25730 Pecten agnatus Yokoyama, 1930, Holotype

Yokoyama, M., 1930c:  p. 417, pl. 80, fig. 1

CM 25730 Pecten (Patinopecten) agnatus Yokoyama, Holotype

Makiyama, J., 1959:  pl. 79, fig. 1

CM 25731 Glycimeris sp.

Yokoyama, M., 1930c

CM 25732 Yoldia scapha Yokoyama

Yokoyama, M., 1930c

CM 25733 Yoldia scapha Yokoyama

Yokoyama, M., 1930c

CM 25734 Yoldia sagittaria Yokoyama

Yokoyama, M., 1930c

CM 25735 Yoldia sagittaria Yokoyama

Yokoyama, M., 1930c

CM 25736 Yoldia sagittaria Yokoyama

Yokoyama, M., 1930c

CM 25737 Yoldia sagittaria Yokoyama

Yokoyama, M., 1930c

CM 25738 Acila mirabilis (A. Adams & Reeve)

Yokoyama, M., 1930c

CM 25739 Acila insignis (Gould)

Yokoyama, M., 1930c

CM 25740 Acila (Truncacila) gottschei (Bohm)

Makiyama, J., 1959:  pl. 79, fig. 5

CM 25740 Acila insignis (Gould)

Yokoyama, M., 1930c:  p. 417, pl. 80, fig. 5

CM 25741 Priene oregonensis ? (Redfield)

Yokoyama, M., 1931a

CM 25742 Beringius hanzoganensis Yokoyama

Yokoyama, M., 1931a

CM 25743 Turritella sp.

Yokoyama, M., 1931a

CM 25744 Natica janthostoma Deshayes

Yokoyama, M., 1931a

CM 25745 Mya crassa Grewinck

Yokoyama, M., 1931a

CM 25746 Macoma inquinata (Deshayes)

Yokoyama, M., 1931a

CM 25747 Tapes sp.

Yokoyama, M., 1931a

CM 25748 Cardium taracaicum Yokoyama

Yokoyama, M., 1931a

CM 25749 Cardium californiense Deshayes

Yokoyama, M., 1931a

CM 25750 Thyasira besecta (Conrad)

Yokoyama, M., 1931a

CM 25751 Pecten subyessoensis Yokoyama

Yokoyama, M., 1931a

CM 25752 Acila insignis (Gould)

Yokoyama, M., 1931a

CM 25753 Plicifusus plicatus (Adams)

Makiyama, J., 1959:  pl. 80, fig. 3

CM 25753 Chrysodomus plicatus (A. Adams)

Yokoyama, M., 1931a:  p. 193, pl. 11, fig. 3

CM 25754 Beringius hanzoganensis Yokoyama

Yokoyama, M., 1931a

CM 25755 Beringius hanzoganensis Yokoyama

Yokoyama, M., 1931a

CM 25756 Buccinum sp.

Makiyama, J., 1959:  pl. 80, fig. 2

CM 25756 Buccinum undatum Linne

Yokoyama, M., 1931a:  p. 195, pl. 11, fig. 2

CM 25757 Natica janthostoma Deshayes

Yokoyama, M., 1931a

CM 25758 Mya crassa Grewinck

Yokoyama, M., 1931a

CM 25759 Macoma dissimilis (Martens)

Yokoyama, M., 1931a

CM 25760 Macoma dissimilis (Martens)

Yokoyama, M., 1931a

CM 25761 Macoma edentula (Broderip & Sowerby)

Yokoyama, M., 1931a

CM 25762 Chione astartoides (Beck)

Yokoyama, M., 1931a

CM 25763 Cardium taracaicum Yokoyama

Yokoyama, M., 1931a

CM 25764 Cardium sp.

Yokoyama, M., 1931a

CM 25765 Thyasira besecta (Conrad)

Yokoyama, M., 1931a

CM 25766 Mytilus sp.

Yokoyama, M., 1931a

CM 25767 Cardium tristiculum Yokoyama

Yokoyama, M., 1931a

CM 25768 Ostrea gigas Thunberg

Yokoyama, M., 1931a

CM 25769 Chrysodomus despectus (Linne)

Yokoyama, M., 1931a

CM 25770 Chrysodomus sp.

Yokoyama, M., 1931a

CM 25771 Cardium nuttallii Conrad

Yokoyama, M., 1931a

CM 25772 Mytilus sp.

Yokoyama, M., 1931a

CM 25773 Mya crassa ? Grewinck

Yokoyama, M., 1931a

CM 25774 Venericardia sp.

Yokoyama, M., 1931a

CM 25775 Phacoides sp.

Yokoyama, M., 1931a

CM 25776 Yoldia sagittaria Yokoyama

Yokoyama, M., 1931a

CM 25777 Mactra sulcataria Deshayes

Yokoyama, M., 1931a

CM 25778 Venericardia sp.

Yokoyama, M., 1931a

CM 25779 Thyasira besecta (Conrad)

Yokoyama, M., 1931a

CM 25780 Natica sp.

Yokoyama, M., 1931a

CM 25781 Mya crassa Grewinck

Yokoyama, M., 1931a

CM 25782 Tellina sp.

Yokoyama, M., 1931a

CM 25783 Yoldia sagittaria Yokoyama

Yokoyama, M., 1931a

CM 25784 Pecten takahashii Yokoyama

Yokoyama, M., 1931a

CM 25785 Natica janthostoma Deshayes

Yokoyama, M., 1931a

CM 25786 Mactra sp.

Yokoyama, M., 1931a

CM 25787 Cardium groenlandicum Chemnitz

Yokoyama, M., 1931a

CM 25788 Cardium sp.

Yokoyama, M., 1931a

CM 25789 Mactra sulcataria Deshayes

Yokoyama, M., 1931a

CM 25790 Turritella sp.

Yokoyama, M., 1931a

CM 25791 Macoma dissimilis (Martens)

Yokoyama, M., 1931a

CM 25792 Cardium nuttallii Conrad

Yokoyama, M., 1931a

CM 25793 Thyasira besecta (Conrad)

Yokoyama, M., 1931a

CM 25794 Tellina optiva Yokoyama

Yokoyama, M., 1931a

CM 25795 Tellina sp.

Yokoyama, M., 1931a

CM 25796 Mya crassa ? Grewinck

Yokoyama, M., 1931a

CM 25797 Dentalium tigillum Yokoyama, 1931, Syntype

Yokoyama, M., 1931a:  p. 194, pl. 11, fig. 5

CM 25797 Dentalium tigillum Yokoyama, Syntype

Makiyama, J., 1959:  pl. 80, fig. 5

CM 25798 Dentalium tigillum Yokoyama, 1931, Syntype

Yokoyama, M., 1931a:  p. 194, pl. 11, fig. 6

CM 25798 Dentalium tigillum Yokoyama, Syntype

Makiyama, J., 1959:  pl. 80, fig. 6

CM 25799 Modiola modiolus Linne

Yokoyama, M., 1931a

CM 25800 Venus (Mercenaria) stimpsoni Gould

Yokoyama, M., 1931a