MYXODERMA LONGISPINUM LUDWIG, 1905 COMB. NOV. Zoroaster longispinum Ludwig, 1905: 180; Maluf, 1988: 44, 125; Clark & Mah, 2001: 234 Zoroaster perarmatus H.L. Clark, 1920: 102; Maluf, 1988: 45, 125, Clark & Mah, 2001: 235 Occurrence: Gulf of California S to Panama and the Galapagos, off N. Peru, 980–1571 m. Material examined: Mexico. NMNH 34385 designated herein as LECTOTYPE. Concepcion Bay, Gulf of California. 26°48′N, 110°45′20″W, 1571 m. Coll. 22.iv.1891. (1 wet spec. R = 2.7, r = 0.5) NMNH E 9626. East of San Marcos, Baja California. 27°9′N, 111°42′W, 1567 m. Coll. 20.iii.1889. (1 wet spec. R = 3.4, r = 0.7) Peru: NMNH E4905 (HOLOTYPE for Z. perarmatus). Aguja Point, Peru, South Pacific. 5°47′S, 81°24′W, 980 m. Coll. 12.xi.1904. (1 dry spec. R = 9.8, r = 1.3 cm)

Published as part of Mah, Christopher, 2007, Phylogeny of the Zoroasteridae (Zorocallina; Forcipulatida): evolutionary events in deep-sea Asteroidea displaying Palaeozoic features, pp. 177-210 in Zoological Journal of the Linnean Society 150 (1) on page 192, DOI: 10.1111/j.1096-3642.2007.00291.x, http://zenodo.org/record/5430876