Cnemidaster nudus, (LUDWIG, 1905)

Mah, Christopher, 2007, Phylogeny of the Zoroasteridae (Zorocallina; Forcipulatida): evolutionary events in deep-sea Asteroidea displaying Palaeozoic features, Zoological Journal of the Linnean Society 150 (1), pp. 177-210 : 190

CNEMIDASTER NUDUS ( LUDWIG, 1905)

Zoroaster nudus Ludwig, 1905: 164 .

Cnemidaster nudus H.L. Clark, 1920: 98 ; Downey, 1970: 14; Maluf, 1988: 43 124; Nybakken et al., 1998: 1777.

Occurrence: Farallon Islands (Central California), Cabo San Lucas, Mexico to Chile, 1366−2598 m.

Material: Central California. LACM Farallon Islands slope, 37°38.40′N, 123°21.53′W to 37°38.36, 123°19.90′W, 2300−2375 m. Coll. 29.vii.1991. [ R = ∼11.4, r = 1.3 (1 wet spec.)] .

Mexico. NMNH 34381 Offshore of Ventana Bay, Baja California. 23°59′N, 108°40′W, 1820 m. Coll. 20.iv.1891. [1 wet spec. R = 12.0, r = 1.3 (arms broken)] NMNH 34387 , Cerralvo Island, Baja California. 24°22′30″N, 109°3′20″W, 2598 m. Coll. 20.iv.1891. [ R = 3.9, r = 0.7 (arms broken)] LACM 9161 , Off Rio Elata , Sinaloa , Mexico. 23°40′30″N, 107°38′30″W to 23°37′N, 107°51′48″W. 1384− 1366 m. Coll. 11.v.1959. [1 dry spec. R = ∼6.5, r = 1.1 (arms broken)] SIO E170 , SW of Cabo San Lucas 22°42.5′N, 110°21.0′W to 22°41.4′N, 110°12.0′W. 1893−1957 m, Coll. 28.vi.1965. [2 dry specs. R = 6.1, r = 1.3; R = 7.5, r = 1.3 (arm tips broken)] SIO E 1602 , SW of Cabo San Lucas, 22°45′N, 110°23.0′W. 1917−2014 m. Coll. 28.vi.1965. [1 wet spec. R = 9.3, r = 1.3 (arm tips broken)] Chile. NMNH E446 Off Arica , Chile. 18°44.7′S, 70°40.7′W to 18°40.2′S, 70°35.1′W, 1097−1152 m, Coll. 7.v.1972. (1 wet spec. R = 4.4 r = 0.6) .