Echinodermata 1 - Beaver, H. H.; Caster, K. E.; Durham, J. Wyatt; Fay, Robert O.; Fell, H. B.; Moore, Raymond Cecil n. 1892; Joint Committee on Invertebrate Paleontology (Lawrence : The Geological Society of America. Inc., 1967)
Keywords: PALEONTOLOGIA; INVERTEBRADOS FOSILES; EQUINODERMOS