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Astriclypeus sp., Sand dollar

genus Astriclypeus Verrill, 1867

• Extinct species: Miocene - Present (23.0 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Echinodermata, class Echinoidea, order Clypeasteroida, family Astriclypeidae

• Distribution
• Miocene: Akita, Niigata, Ishikawa, Yamanashi, Ibaraki, Gifu, Okayama
• Holocene: Aichi
• Investigation in progress: Shizuoka

• Subtaxa
• A. integer
• A. mannii