Geophis latifrontalis Garman

Wilson, Larry David & Townsend, Josiah H., 2007, A checklist and key to the snakes of the genus Geophis (Squamata: Colubridae: Dipsadinae), with commentary on distribution and conservation, Zootaxa 1395, pp. 1-31 : 13

27. Geophis latifrontalis Garman

Geophis latifrontalis Garman 1884: 103 .

Atractus latifrontalis: Cope 1896: 1023 .

Geophis semiannulatus: Smith 1941b: 49 .

Geophis latifrontalis semiannulatus: Dixon & Thomas 1974: 273 .

Holotype. Museum of Comparative Zoology ( MCZ) 4538, an adult female collected by E. Palmer. Type­locality. From “fifty miles south of San Luis Potosi, Mexico.”

Distribution. Hidalgo, Querétaro, San Luis Potosi, and Tamaulipas, Mexico, 1100– 2600 m elevation. Species group. latifrontalis ( Downs 1967) .

Systematic references. Garman (1884), Smith (1941b), Downs (1967), Dixon & Thomas (1974). Remarks. Dixon & Thomas (1974: 273) synonymized G. semiannulatus with G. latifrontalis after collect­

ing a series of specimens from the area between the known ranges of the two taxa.