Holopodidae is a family of
echinoderms
An echinoderm () is any member of the phylum Echinodermata (). The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the ...
belonging to the order
Cyrtocrinida
Cyrtocrinida is an order of sea lilies which contains two suborders and three families.
Characteristics
Members of this order have stems consisting of a single skeletal unit or a very small number of units. There are no cirri, and the expanded b ...
.
Genera:
* ''
Cyathidium''
Steenstrup, 1847
* ''
Holopus''
Orbigny, 1837
References
Cyrtocrinida
Echinoderm families
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