Gervillaria haradae (YOKOYAMA, 1890)
Mount Futago
Kawarasawa, Ogano city, Chichibu county, Saitama pref., Japan
Early Cretaceous, Mesozoic (130 Ma)
Width: 100 mm. Bivalve fossil, Gervillaria haradae is at the center of this photograph. Pterotrigonia pocilliformis (Yokoyama) fossils are at the upper left and the bottom of this specimen. Recovered from sandstone of the Early Cretaceous (130 Ma) Ishido Formation, a member of shallow marine sediments in the Sanchu Graben. This species had been described as Bakevellia haradae.