Zoroasteridae

The Zoroasteridae are one of three families of Asteroidea in the order Forcipulatida. It contains seven living genera and one extinct genus.

Genera

The living genera described are:Bythiolophus Fisher, 1916

* B. acanthinus Fisher, 1916Cnemidaster Sladen, 1889 Doraster Downey, 1970
* D. constellatus Downey, 1970Myxoderma Fisher, 1905 Pholidaster Sladen, 1889
* P. squamatus Sladen, 1889Sagenaster Mah, 2007
* S. evermanni Zoroaster Thomson, 1873

The extinct genus known is:Terminaster Hess, 1974†

Distribution

Species in this family are widespread, distributed mainly in Pacific, Atlantic, and Indian Oceans. A few are found in the Arctic and Antarctic Oceans.