''Labidiaster'' is a genus of
echinoderm
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 sea ...
s belonging to the family
Heliasteridae
The Heliasteridae are a family of Asteroidea (sea stars) in the order Forcipulatida. It includes two genera: ''Heliaster'' from the East Pacific (California to Chile, including offshore islands), and ''Labidiaster'' from southernmost South Ameri ...
.
The species of this genus are found in the coasts of Antarctica and southernmost South America.
Species
Two species are recognized:
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Labidiaster annulatus
''Labidiaster annulatus'', the Antarctic sun starfish or wolftrap starfish is a species of starfish in the family Heliasteridae. It is found in the cold waters around Antarctica and has a large number of slender, flexible rays.
Description
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Labidiaster radiosus''
References
Heliasteridae
Asteroidea genera
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