Modiolus / Mollusca, Bivalvia, Mytiloida, Mytilidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Barbatia / Mollusca, Bivalvia, Arcoida, Arcidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Mactra / Mollusca, Bivalvia, Veneroida, Mactridae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Gari / Mollusca, Bivalvia, Veneroida, Psammobiidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Turbo / Mollusca, Gastropoda, Vetigastropoda, Turbinidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Cantharidus / Mollusca, Gastropoda, Vetigastropoda, Trochidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Myadora / Mollusca, Bivalvia, Pholadomyoida, Myochamidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Cardita / Mollusca, Bivalvia, Veneroida, Carditidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Anachis / Mollusca, Gastropoda, Caenogastropoda, Columbellidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Musculus / Mollusca, Bivalvia, Mytiloida, Mytilidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Limopsis / Mollusca, Bivalvia, Arcoida, Limopsidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Barbatia / Mollusca, Bivalvia, Arcoida, Arcidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Muricodrupa / Mollusca, Gastropoda, Caenogastropoda, Muricidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Cyclosunetta / Mollusca, Bivalvia, Veneroida, Veneridae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Eurytrochus / Mollusca, Gastropoda, Vetigastropoda, Trochidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Cycladicama / Mollusca, Bivalvia, Veneroida, Ungulinidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Nitidotellina / Mollusca, Bivalvia, Veneroida, Tellinidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Myadora / Mollusca, Bivalvia, Pholadomyoida, Myochamidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Felaniella / Mollusca, Bivalvia, Veneroida, Ungulinidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Muricodrupa / Mollusca, Gastropoda, Caenogastropoda, Muricidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Cryptonatica / Mollusca, Gastropoda, Caenogastropoda, Naticidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Mitrella / Mollusca, Gastropoda, Caenogastropoda, Columbellidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Clivipolla / Mollusca, Gastropoda, Caenogastropoda, Buccinidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Anachis / Mollusca, Gastropoda, Caenogastropoda, Columbellidae
Geological Survey of Japan, AIST
Geoscientific Database of Fossil, Rocks and Minerals
Last Updated: 2025-07-16
Uploaded: 2026-03-24