| Authors(s) | Van Denburgh, J. |
| Year | 1914 |
| Title | Expedition of the California Academy of Sciences to the Galápagos Islands, 1905-1906. X. The gigantic land tortoises of the Galápagos Archipelago. Proc. California Acad. Sci. (4)2: 203-374. |
| Authors(s) | Van Denburgh, J. |
| Year | 1914 |
| Title | Expedition of the California Academy of Sciences to the Galápagos Islands, 1905-1906. X. The gigantic land tortoises of the Galápagos Archipelago. Proc. California Acad. Sci. (4)2: 203-374. |