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Crinozoa is a subphylum of mostly sessile echinoderms, of which the crinoids, or sea lilies, are the only extant members. Crinozoans have an extremely extensive fossil history which may or may not extend into the Precambrian (provided the enigmatic Ediacaran Arkarua can be positively identified as an edrioasteroid).

Crinozoa
Temporal range: Cambrian - Recent
Crinoid on the reef of Batu Moncho Island.JPG
Crinoid on the reef of Batu Moncho Island, Indonesia
Scientific classification e
Kingdom: Animalia
Phylum: Echinodermata
Subphylum: Crinozoa
Classes

Classes within CrinozoaEdit

The classes currently contained within Crinozoa include Crinoidea, Cystoidea, Edrioasteroidea, and Rhombifera.

See alsoEdit

ReferencesEdit