Pirasocrinidae

Pirasocrinidae includes 22 children:

• Affinocrinus
• Affinocrinus
• Hypermorphocrinus
• Hypermorphocrinus
• Lasanocrinus
• Lasanocrinus Moore & Plummer 1940
• Metaperimestocrinus
• Metaperimestocrinus
• Metutharocrinus
• Metutharocrinus
• Perimestocrinus
• Perimestocrinus
• Plaxocrinus
• Plaxocrinus
• Stenopecrinus
• Stenopecrinus
• Triceracrinus
• Triceracrinus
• Utharocrinus
• Vertigocrinus
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