original description
Barattini, L.P. (1938). Equinodermos Uruguaos (contribucion al conocimiento de las especies qui viven en nuestras aguas). <em>Boletin del Servicio Oceanografico y de Pesca.</em> 1938: 17-29.
page(s): 28 [details]
additional source
Clark, A. M. (1996). An index of names of recent Asteroidea, part 3. Velatida and Spinulosida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 5: 183-250. (look up in IMIS) [details]
additional source
Danis, B. & Jangoux, M. (2006). The SCAR-MarBIN Register of Antarctic Marine Species: Asteroidea. World Wide Web electronic publication., available online at https://www.marinespecies.org/rams/ramsasteroidea.php [details]
From editor or global species database
Synonymy Almost certainly a synonym of H. obesa according to A.M. Clark in Clark & Downey (1992) as suggested by Fisher (1940). [details]