Two of the syntypes of this species (USNM 18185) were collected from the southwest point of the Azuero Peninsula (Centroid Latitude: 7.16250, Centroid Longitude: -80.83333), eastern Pacific, Panama, by the R. V. Albatross, from a depth of 589 m.
Ludwig, H. (1894). Reports on an exploration off the west coasts of Mexico, Central and South America, and off the Galapagos Islands, in charge of Alexander Agassiz, by the U. S. Fish Commission Steamer Albatross, during 1891, Lieut. Commander Z. L. Tanner, U. S. N., commanding, xii. The Holothurioidea. Mem. Mus. Harvard xvii(No. 3): 17(3): 21-26, pl.9, figs 10-19.
Domantay, J. S. (1961). New forms of Holothuroidea from the vicinity of Southern California and Mexico in the collection of the Allan Hancock Foundation, University of Southern California in Los Angeles, California. Philippine Journal Science. 90: 333-346.
LSID urn:lsid:marinespecies.org:taxname:529006Syntype: USNM 18185
Type locality: southwest point of the Azuero Peninsula (Centroid Latitude: 7.16250, Centroid Longitude: -80.83333, depth 589 m), Panama, North Pacific Ocean
