Coscinasterias
Coscinasterias is a genus of sea stars of the family Asteriidae.
Species
There are four recognized species:| Image | Scientific name | Distribution |
| Coscinasterias acutispina | Japan | |
| Coscinasterias calamaria – Eleven-arm sea star | southern Australia and New Zealand | |
| Coscinasterias muricata Verrill, 1867 – Splitting star | Indo-Pacific | |
| Coscinasterias tenuispina – Blue spiny starfish | Atlantic Ocean and the Mediterranean Sea |
The following are synonyms of other species:Coscinasterias brucei : Synonym of Diplasterias brucei Coscinasterias dubia H.L. Clark, 1909: Synonym of Sclerasterias dubia Coscinasterias euplecta Fisher, 1906: Synonym of Sclerasterias euplecta Coscinasterias gemmifera : Synonym of Coscinasterias muricata Verrill, 1867Coscinasterias jehennesi : Synonym of Coscinasterias calamaria Coscinasterias victoriae Koehler, 1911: Synonym of ''Diplasterias brucei''