original description
(of Antedon agassizii Hartlaub, 1895) Hartlaub C. (1895). Reports on the dredging operations off the west coast of Central America, to the Galapagos, to the west coast of Mexico, and in the Gulf of California, carried on byt the steamer <i>Albatross</i>, during 1891. XVIII. Die Comatuliden. Bul [details]
taxonomy source
Clark, A. H. (1912). The crinoids of the Indian Ocean. Echinoderma of the Indian Museum, Part VII. Indian Museum, Calcutta. iv + 325 pp. [details]
basis of record
Clark, A. H. (1950) A monograph of the existing crinoids. 1(4c). Bulletin of the U.S. National Museum 82:1-383, 32 pls. [details]
From editor or global species database
Diagnosis Thalassometra with cirri ~40 mm long, 60+ cirrals, in 10 columns; each radial pair of columns with an additional cirrus between them near the centrodorsal rim. Brachitaxis ossicles and proximal brachials bordered proximally and distally with coarse blunt spines, with occasionally a few aborally. Arms 10-12, ~175 mm long. [details]
Distribution Galapagos Islands to Panamá; Depth range : 598-1,429 m [details]