Collected off Jaque (syntypes: USNM E37364 & USNM 34364), East side of the Gulf of Panama (Centroid Latitude: 7.55000, Centroid Longitude: -78.57222), eastern Pacific, by the R. V. Albatross from a depth range of 95-384 m (see Fisher, W.K. (1924). The genus Sclerasterias Perrier. Bulletin de Institut Oceanographique, Monaco 414(3): 1-8.).
Fisher, W.K. (1924). The genus Sclerasterias Perrier. Bulletin de Institut Oceanographique, Monaco 414(3): 1-8.
Ludwig, H. (1905). Asteroidea. Memoirs of the Museum of Comparative Zoology at Harvard. 32: 292 pp.
LSID urn:lsid:marinespecies.org:taxname:378792Coscinasterias (Stolasterias) alexandri Ludwig, 1905
Hydrasterias diomediae Ludwig, 1905 (Synonym according to Fisher (1928))
Sclerasterias crassa H.L. Clark, 1940 (Variety of S. alexandri)
Syntypes: USNM E37364 & USNM 34364
Type locality: East side of the Gulf of Panama (Centroid Latitude: 7.55000, Centroid Longitude: -78.57222), from a depth range of 95-384 m.