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Notocrinus

Family of crinoids From Wikipedia, the free encyclopedia

Notocrinus
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Notocrinidae is a monotypic family of crinoids, the only genus being Notocrinus,[1] which contains two species, both endemic to the seas around Antarctica.[3]

Quick Facts Scientific classification, Species ...
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Description

Members of this family have five arms which subdivide near the base giving them ten arms in total. The arms can reach 100 mm (4 in) in length, and there are thirty to sixty or more cirri. The gonads are located on the arms, and the embryos are brooded in cavities in the arms. The aboral surface (underside) of the disc has five deep radial pits arranged in a star-shape.[3]

Species

The World Register of Marine Species lists the following species in this genus:[2]

References

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