Poraniidae is a family of starfishes in the order Valvatida.
Characteristics Members of the family Poraniidae have a moderately well-developed row of marginal plates forming a distinct margin along the edge of both disc and arms. The aboral surface is covered with thick, naked skin, free from spines or pedicellariae but with scattered groups of papulae. There are no papulae or pedicellariae on the oral surface and the tube feet are always in two series.
Genera This family includes the following genera according to the World Register of Marine Species: Bathyporania Mah & Foltz, 2014 Chondraster Verrill, 1895 Clavaporania Mah & Foltz, 2014 Culcitopsis Verrill, 1914 Glabraster A.H. Clark, 1916 Marginaster Perrier, 1881 Porania Gray, 1840 Poraniomorpha Danielssen & Koren, 1881 Poraniopsis Perrier, 1891 Spoladaster Fisher, 1940 Tylaster Danielssen & Koren, 1881
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