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Euryalidae 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
Euryalida The Euryalida are an order of brittle stars, which includes large species with either branching arms (called "basket stars") or long and curling arms (called "snake stars"). Characteristics Many of the species in this order have characteristi ...
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Genera

Genera: * '' Asteromorpha'' Lütken, 1869 * '' Asteroschema'' Örsted & Lütken, 1856 * '' Asterostegus'' Mortensen, 1933 * '' Astrobrachion'' Doederlein, 1927 * '' Astroceras'' Lyman, 1879 * '' Astrocharis'' Koehler, 1904 * '' Euryale'' Lamarck, 1816 * '' Ophiocreas'' Lyman, 1879 * '' Squamophis'' Okanishi, O'Hara & Fujita, 2011 * '' Sthenocephalus'' Koehler, 1898 * ''
Trichaster ''Trichaster'' is a genus of echinoderms belonging to the family Euryalidae. Species: * ''Trichaster acanthifer'' Döderlein, 1927 * ''Trichaster flagellifer'' von Martens, 1866 *† ''Trichaster ornatus'' (Rasmussen, 1950) * ''Trichaster ...
'' L. Agassiz, 1836


References

Echinoderm families Phrynophiurida {{Ophiuroidea-stub