Tethyaster is a genus of echinoderms belonging to the family Astropectinidae.
The genus has almost cosmopolitan distribution.
Species:
Tethyaster albertensis Tethyaster antares Tethyaster aulophora Tethyaster canaliculatus Tethyaster grandis Tethyaster guerangeri Tethyaster jurassicus Tethyaster pacei Tethyaster subinermis Tethyaster tangaroae Tethyaster vestitus
References