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Hemicentrotus sp.

genus Hemicentrotus Mortensen, 1942

• Modern species
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Echinodermata, class Echinoidea, order Camarodonta, family Strongylocentrotidae

• Distribution
• Pleistocene: Ibaraki, Kanagawa

• Subtaxa
• H. pulcherrimus