{{Short description|Family of crinoids}} {{Automatic taxobox | image = Notocrinus virilis (USNM 1126534) 002.jpeg | image_caption = ''Notocrinus virilis'' | display_parents = 2 | parent_authority = | taxon = Notocrinidae | authority = Mortensen, 1918<ref name=WoRMS>{{cite WoRMS |author=Messing, Charles |year=2019 |title=Notocrinidae Mortensen, 1918 |id=173883 |accessdate=21 March 2019}}</ref> | subdivision_ranks = Genus | subdivision = See text }}
'''Notocrinidae''' is a family of crinoids. It includes one extant genus, ''Notocrinus'',<ref name=WoRMS/> which contains two species, both endemic to the seas around Antarctica.<ref name=OHara>{{cite book|author1=O'Hara, Timothy|author2=Byrne, Maria|title=Australian Echinoderms: Biology, Ecology and Evolution |url=https://books.google.com/books?id=EtkqDwAAQBAJ&pg=PA213 |year=2017 |publisher=Csiro Publishing |isbn=978-1-4863-0763-0 |pages=213–214}}</ref> and ''Zelandimetra'', a fossil taxon from the Late Oligocene found in New Zealand.<ref name="Type">{{cite Q|Q58623364}}</ref>
==Description== Members of this family have five arms which subdivide near the base giving them ten arms in total. The arms can reach {{convert|100|mm|in|0|abbr=on}} 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.<ref name=OHara/>
==Genera==
*''Notocrinus'' {{small|Mortensen, 1917}} *''Zelandimetra'' {{small|Eagle, 2008}}
==References== {{Reflist}}
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Category:Comatulida Category:Echinoderm families