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Sea urchin (Echinoidea)

Kuzubukuro

Kuzubukuro, Higashi-matsuyama city, Saitama pref., Japan

Miocene, Neogene, Cenozoic (14 Ma)

Sea urchin

Width: 20 mm. Sea urchin fossil recovered from Negishi Formation formed under the marine environment such as continental shelf.

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