Ear-bone of a dolphin
Scientific name: Delphinidae gen. et sp. indet.
Species
Vertebrata (Craniata) Mammalia
Place
Choshi, Chiba (Naarai Formation)
Epoch
Cenozoic Tertiary Pliocene
Size
Height 2.4 cm, Width 2.1 cm
File No.
CH005
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