original description
Clark, R.N. and Jewett, S.C. 2011. A new sea star of the genus <i>Hippasteria</i> (Asteroidea; Goniasteridae) from the Aleutian Islands. <i>Zootaxa</i> 2963: 48-54., available online at http://www.mapress.com/zootaxa/2011/2/zt02963p054.pdf [details]
source of synonymy
Mah, C.L., Neill K, Eleaume M, Foltz D. (2014) New Species and global revision of <i>Hippasteria</i> (Hippasterinae: Goniasteridae; Asteroidea; Echinodermata). Zoological Journal of the Linnean Society 171: 422-456.
, available online at https://doi.org/10.1111/zoj.12131 [details]
From editor or global species database