original descriptionFisher, W. K. (1905). New starfishes from deep water off California and Alaska. <em>Bulletin of the Bureau of Fisheries.</em> 24: 291-320., available online athttps://www.biodiversitylibrary.org/page/25135459 page(s): 309 [details]
additional sourceFisher, W.K. (1911). Asteroidea of the North Pacific and adjacent waters. 1. Phanerozonia and Spinulosida. Bulletin of the US National Museum, 76: xiii+420 pp.122 pls., available online athttp://biodiversitylibrary.org/page/7840387[details]