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Gopherus hexagonatus Cope 1893 (gopher tortoise)

Reptilia - Testudines - Testudinidae

PaleoDB taxon number: 105238

Alternative combination: Gopherus hexagonata

Synonyms: Bysmachelys canyonensis Johnston 1937 (no. 105224), Gopherus canyonensis Johnston 1937 (no. 105225), Gopherus huecoensis Strain 1966 (no. 105222), Testudo campester Hay 1908 (no. 366437)

Full reference: E. D. Cope. 1893. A preliminary report on the vertebrate paleontology of the Llano Estacado. Fourth Annual Report of the Geological Survey of Texas 1892:11-136

Belongs to Gopherus according to E. Vlachos 2018

Sister taxa: Gopherus (Gopherus), Gopherus (Oligopherus), Gopherus agassizii, Gopherus auffenbergi, Gopherus berlandieri, Gopherus brevisternus, Gopherus depressus, Gopherus donlaloi, Gopherus edae, Gopherus flavomarginatus, Gopherus laticuneus, Gopherus mohavensis, Gopherus polyphemus, Testudo milleri

Type specimens:

  • Gopherus hexagonatus: TMM 30967-1817, a partial shell (shell fragments). Its type locality is Rock Creek, which is in an Irvingtonian terrestrial horizon in the Tule Formation of Texas.
  • Bysmachelys canyonensis: Panhandle Plains Historical Mus. No. 1534, a partial skeleton (almost complete skeleton lacking most of the carapace). Its type locality is North Cita Canyon (Middle Stratum), which is in a Pliocene fluvial sandstone in Texas.
  • Gopherus huecoensis: TMM 40240-27 (holotype), a partial skeleton (plastron with associated appendicular elements). Its type locality is Hudspeth (TMM 40240), which is in a Blancan terrestrial horizon in the Fort Hancock Formation of Texas.
  • Testudo campester: AMNH 3930 (holotype), a partial shell. Its type locality is Near Mount Blanco, which is in a Pliocene terrestrial horizon in the Blanco beds Formation of Texas.

Ecology: ground dwelling herbivore-herbivore

Average measurements (in mm): plastron 805.0 x 545.0