In Panama Lessios (2005) records collecting this species in the Gulf of Chiriqui near Isla Cavada (7 58.00 N, 82 02.40 W, depth 30 m) and in the Gulf of Panama close to the Darien region (7 50.00 N, 79 45.00 W, depth 76 m).
Mortensen, T. (1951): A Monograph of the Echinoidea. V, 2. Spatangoida II. Amphisternata II. Spatangidæ, Loveniidæ, Pericosmidæ, Schizasteridæ, Brissidæ. - 593 pp., Copenhagen (C. A. Reitzel); pages: 526-529.
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.
Lessios, H. A. (2005). Echinoids of the Pacific Waters of Panama: Status of knowledge and new records. Rev. Biol. Tropical 53 (sup. 3):147-170.
Alvarado, J. J., Solís-Marín, F. A. &. Ahearn, C. G. (2010). Echinoderm (Echinodermata) diversity in the Pacific coast of Central America. Marine Biodiversity 40: 45-56.
LSID urn:lsid:marinespecies.org:taxname:513387
