Keyhole Limpet (Fissurellidae)
Kuzubukuro, Higashi-matsuyama city, Saitama pref., Japan
Miocene, Neogene, Cenozoic (14 Ma)
Classification
Phylum Mollusca, Class Gastropoda, Subclass Orthogastropoda, Superorder Vetigastropoda, Superfamily Fissurelloidea, Family Fissurellidae
Width: 30 mm. Fossil of limpet recovered from the Negishi Formation formed under the marine environment such as continental shelf.