''Tethyaster'' is a genus of
echinoderms
An echinoderm () is any animal of the phylum Echinodermata (), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". While bilaterally symmetrical as larv ...
belonging to the family
Astropectinidae
The Astropectinidae are a family of sea stars in the order Paxillosida. Usually, these starfish live on the seabed and immerse themselves in soft sediment such as sand and mud.
They are not to be confused with species in the genus '' Archaster' ...
.
The genus has almost
cosmopolitan distribution
In biogeography, a cosmopolitan distribution is the range of a taxon that extends across most or all of the surface of the Earth, in appropriate habitats; most cosmopolitan species are known to be highly adaptable to a range of climatic and en ...
.
Species:
*''
Tethyaster albertensis''
*''
Tethyaster antares''
*''
Tethyaster aulophora''
*''
Tethyaster canaliculatus''
*''
Tethyaster grandis''
*''
Tethyaster guerangeri''
*''
Tethyaster jurassicus''
*''
Tethyaster pacei''
*''
Tethyaster subinermis''
*''
Tethyaster tangaroae''
*''
Tethyaster vestitus''
References
Astropectinidae
Asteroidea genera
{{Asteroidea-stub