Living and fossil genera of the Clypeasteroida (Echinoidea : Echinodermata) : an illustrated key and annotated checklist - Mooi, Rich (Washington : Smithsonian Institution Press, 1989)
En: Smithsonian contribution to zoology. --Washington : Smithsonian Institution Press, 1969- . no. 488 (1989).
Bibliografia: p. 50-51.
Keywords: ERIZOS DE MAR; EQUINODERMOS -- CLASIFICACION