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Prionocidaris sp.

genus prionocidaris A. Agassiz, 1863

• Modern species: Middle Jurassic - Present (164.7 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Echinodermata, class Echinoidea, order Cidaroida, family Cidaridae

• Distribution
• Miocene: Tottori