Gilbertsocrinus tuberosus


Kingdom
Animalia
Phylum
Echinodermata
Subphylum
Crinozoa
Class
Crinoidea
Subclass
Camerata
Superorder
Eucamerata
Order
Diplobathrida
Superfamily
Rhodocrinitoidea
Family
Rhodocrinitidae
Binomial Name
Gilbertsocrinus tuberosus
Formation
Edwardsville Formation
Locale
Crawfordsville, Indiana
Age
Mississippian (Osagean Stage)
Notes
This is an unusual crinoid. The arms are small and skinny. Most of what you see on the crown are five, long, multi-branching appendages emanating from the tegmen that recurve over the cup.

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Gilbertsocrinus tuberosus


Picture of Gilbertsocrinus tuberosus
Picture of Gilbertsocrinus tuberosus

Gilbertsocrinus tuberosus crown


Picture of Gilbertsocrinus tuberosus crown
Picture of Gilbertsocrinus tuberosus crown

Gilbertsocrinus tuberosus top of crown


Picture of Gilbertsocrinus tuberosus top of crown
Picture of Gilbertsocrinus tuberosus top of crown