Two of the syntypes of the junior synonym of this species were collected by the R. V. Albatross from Panama. USNM 34315 from Morro De Puercos (Centroid Latitude: 7.1042, Centroid Longitude: -80.5667), Azuero Peninsula, Panama, eastern Pacific (depth 1271 m) and USNM 34311 from southeast of Punta Mala (Centroid Latitude: 7.0917, Centroid Longitude: -79.6667), Azuero Peninsula, Panama, eastern Pacific from a depth range of 1271 to 2323 m.
This species has also been collected in Panama from South of Coiba Island (Centroid Latitude: 6.4333,Centroid Longitude:-81.8167) from 1415 m.
Ludwig. (1905). Asteroidea. Reports on an exploration off the west coasts of Mexico, Central and South America off the Galapagos Islands during 1891, by the "Albatross", A. Agassiz XXXV; Reports on the scientific results of the expedition to the Tropical Pacific, in charge of A. Agassiz, aboard the "Albatross", from Aug. 1899 to Mar. 1900. VIII. Memoirs of the Museum of Comparative Zoology at Harvard College. 32: 1-10, pl.1, figs.3,4, pl.2, figs.5-12, pl.16, figs.81-84.
LSID urn:lsid:marinespecies.org:taxname:380775Syntypes (of synonym Cheiraster agassizii Ludwig, 1905) (USNM 34311 & USNM 34315)
Type localities:
-Morro De Puercos (USNM 34315, Centroid Latitude: 7.1042, Centroid Longitude: -80.5667), Azuero Peninsula, Panama, eastern Pacific.
-Southeast of Punta Mala (USNM 34311; Centroid Latitude: 7.0917, Centroid Longitude: -79.6667), Azuero Peninsula, Panama, eastern Pacific.
