This species is recorded from the eastern Pacific coast of Panama (see Maluf, 1988).
A syntype (USNM 34415) of the juniour synonym Sarkaster validus Ludwig, 1905 was collected from South of Rey Island (Centroid Latitude: 7.5433, Centroid Longitude: -79.2667), Perlas Archipelago, Gulf of Panama, Panama, eastern Pacific, North Pacific Ocean, by the R. V. Albatross from a depth of 523 m.
Ludwig, H. (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 32: 292 pp.
Maluf, L. Y. (1988). Composition and distribution of the central eastern Pacific echinoderms. Natural History Museum of Los Angeles County Technical Reports, 2, 1– 242.
LSID urn:lsid:marinespecies.org:taxname:292719Lophaster validus (Ludwig, 1905) (Synonym according to Djakonov (1950))
Lophaster vexator Fisher, 1910
Sarkaster validus Ludwig, 1905 (Synonym according to Djakonov (1950))
Syntype: USNM 34415 (of juniour synonym Sarkaster validus Ludwig, 1905)
Type locality: South of Rey Island (Centroid Latitude: 7.5433, Centroid Longitude: -79.2667, depth 523 m) Perlas Archipelago, Gulf of Panama, Panama, eastern Pacific, North Pacific Ocean.
