Evoplosoma, FISHER, 1906

Mah, Christopher, Nizinski, Martha & Lundsten, Lonny, 2010, Phylogenetic revision of the Hippasterinae (Goniasteridae; Asteroidea): systematics of deep sea corallivores, including one new genus and three new species, Zoological Journal of the Linnean Society 160 (2), pp. 266-301 : 278

EVOPLOSOMA FISHER, 1906

Fisher, 1906: 1065; Koehler, 1909: 96; Spencer & Wright, 1966: U58; A.M. Clark, 1993: 253.

Type species: Evoplosoma forcipifera Fisher, 1906

Diagnosis: Body strongly swollen, arm narrow.

Tissue with pulpy texture covers abactinal plates (seen more clearly in wet specimens). Abactinal fasciolar grooves shallow. Secondary plates present. Abactinal plates, flat and platform-like. Carinal series poorly distinguished. Abactinal plates tightly articulated. Large spines or spinelets on abactinal, superomarginal, inferomarginal plate, and actinal series. Accessories on superomarginal and inferomarginal surface widely spaced.

Superomarginal plate series with lateral facing. Superomarginal and inferomarginal plates at interradius quadrate in shape. Spinelets present on both marginal plate series. Fasciolar grooves between marginal plate series shallow. Accessories around superomarginal and inferomarginal plate edge poorly differentiated. Actinal fasciolar grooves shallow. Actinal spinelets present. Furrow spines compressed, angular in cross-section, pedicellariae with serrated valves.

Included species: E. augusti Koehler, 1909 ; Evoplosoma claguei sp. nov.; E. forcipifera Fisher, 1906 ; E. scorpio Downey, 1982 ; Evoplosoma timorensis Aziz & Jangoux, 1985a ; E. virgo Downey, 1982 ; Evoplosoma voratus sp. nov.