''Aacocrinus'' is a genus of extinct
sea lily
Crinoids are marine invertebrates that make up the class Crinoidea. Crinoids that remain attached to the sea floor by a stalk in their adult form are commonly called sea lilies, while the unstalked forms, called feather stars or comatulids, are ...
from the
Actinocrinitidae (or
Patelliocrinidae) family.
There are currently 14 species within this genus:
* ''
Aacocrinus acylus'' (Webster & Jell 1999)
* ''
Aacocrinus algeriaensis'' (Webster, Maples, Sevastopulo, Frest & Waters 2004)
* ''
Aacocrinus boonensis
''Aacocrinus'' is a genus of extinct sea lily from the Actinocrinitidae (or Patelliocrinidae) family.
There are currently 14 species within this genus:
* ''Aacocrinus acylus'' (Webster & Jell 1999)
* ''Aacocrinus algeriaensis'' (Webster, Maple ...
''
* ''
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''
References
Monobathrida
Paleozoic echinoderms
Prehistoric echinoderms of North America
{{paleo-crinoidea-stub