Hippasteria is one of 70 genera of sea stars in the diverse family Goniasteridae.
Description and characteristics These sea stars are regular, five-armed starfishes, with a large and flattened central disc. Most of the species in this genus live in deep seas, where they seem to be predators of deep sea coral and cnidarians.
The species Hippasteria phrygiana may be one of the most widely distributed species : it is present in the 3 main oceanic basins.
List of species According to the World Register of Marine Species (WoRMS), the genus Hippasteria is composed of the following twelve species: Hippasteria californica Fisher, 1905 Hippasteria falklandica Fisher, 1940 Hippasteria heathi Fisher, 1905 Hippasteria imperialis Goto, 1914 Hippasteria leiopelta Fisher, 1910 Hippasteria lepidonotus (Fisher, 1905) Hippasteria magellanica Perrier, 1888 Hippasteria mcknighti Mah, Neill, Eleaume & Foltz 2014 Hippasteria muscipula Mah, Neill, Eleaume & Foltz 2014 Hippasteria nozawai Goto, 1914 Hippasteria phrygiana (Parelius, 1768) Hippasteria tiburoni Mah, Neill, Eleaume & Foltz 2014
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