Lesson plan
Aacocrinus
Aacocrinus is a genus of extinct sea lily from the family Actinocrinitidae. There are currently 14 species within this genus: * Aacocrinus acylus (Webster & Jell 1999) * Aacocrinus algeriaensis (Webster, Maples, Sevastopulo, Frest & Waters 2004) * Aacocrinus boonensis * Aacocrinus chouteauensis * Aacocrinus enigmaticus (Webster & Lane 1987) * Aacocrinus milleri * Aacocrinus nododorsatus (Bowsher 1955) * Aacocrinus protuberoarmatus (Missouri) * Aacocrinus sampsoni * Aacocrinus senectus * Aacocrinus spinosulus * Aacocrinus spinulosus * Aacocrinus tetradactylus (Missouri) * Aacocrinus triarmatus
Article summary
Aacocrinus is a genus of extinct sea lily from the family Actinocrinitidae. There are currently 14 species within this genus: * Aacocrinus acylus (Webster & Jell 1999) * Aacocrinus algeriaensis (Webster, Maples, Sevastopulo, Frest & Waters 2004) * Aacocrinus boonensis * Aacocrinus chouteauensis * Aacocrinus enigmaticus (Webster & Lane 1987) * Aacocrinus milleri * Aacocrinus nododorsatus (Bowsher 1955) * Aacocrinus protuberoarmatus (Missouri) * Aacocrinus sampsoni * Aacocrinus senectus * Aacocrinus spinosulus * Aacocrinus spinulosus * Aacocrinus tetradactylus (Missouri) * Aacocrinus triarmatus
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