Laetmaster Fisher 1908

Mah, Christopher L., 2024, Two New Taxa of Goniasteridae (Asteroidea, Echinodermata) and Noteworthy Observations of Deep-Sea Asteroidea by the NOAA Ship Okeanos Explorer in the North and Tropical Atlantic, Zootaxa 5432 (4), pp. 461-508 : 497

Laetmaster Fisher 1908

Fisher 1908: 88

Diagnosis

Body stellate, Rr=2.7. Arms six, slender, disc large, flat, interbrachial arcs rounded. Abactinal surface covered by small subpaxillate plates, each with spinelets, 2 to 4. Distinct bare interradial space present with a prominent madreporite present in one bare interradius. Marginal plates composed of a large, single paxillae, widely spaced, each with pointed spines, 5 to 6, directed outward, spines perpendicular to the plane of the disc. Adambulacral furrow spines 4 to 5, parallel to furrow, subambulacral spines small. Modified from Clark & Downey (1992).