Umigame

Sea Turtle Skull

Kihouchouumigameshiryoukan

Humerus of Mesodermochelys undulatus

Carapace of Mesodermochelys sp. (sea turtle)

Predation on hatching sea turtle by odd-tooth snake

Nihonsan umigamerui no shizenshi ni kansuru kenkyuu

Umigamerui ni okeru biryou genso chikuseki to sono shu tokuisei