Authors(s)	Bury, R. B. (ed.).
Year	1982
Title	North American tortoises: conservation and ecology. U. S. Dept. Interior, Fish, Wildl. Serv., Wildlife Res. Rept. (12): 1-126.

• Gopherus agassizii
• Gopherus berlandieri
• Gopherus flavomarginatus