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Pirasocrinidae

Pirasocrinidae

Phylum: Echinodermata
Class: Crinoidea
Order: Cladida
Family: Pirasocrinidae

Genera of Pirasocrinidae present in the Pennsylvanian of the American Midcontinent

Aatocrinus

Aatocrinus

Metaffinocrinus

Metaffinocrinus

Perimestocrinus

Perimestocrinus

Plaxocrinus

Plaxocrinus

Sciadocrinus

Sciadocrinus

Separocrinus

Separocrinus

Utharocrinus

Utharocrinus