Geophis latifrontalis Garman

27. Geophis latifrontalis Garman Geophis latifrontalis Garman 1884: 103. Atractus latifrontalis: Cope 1896: 1023. Geophis semiannulatus: Smith 1941 b: 49. Geophis latifrontalis semiannulatus: Dixon & Thomas 1974: 273. Holotype. Museum of Comparative Zoology (MCZ) 4538, an adult female collected by E. Palmer. Type��locality. From ���fifty miles south of San Luis Potosi, Mexico.��� Distribution. Hidalgo, Quer��taro, San Luis Potosi, and Tamaulipas, Mexico, 1100��� 2600 m elevation. Species group. latifrontalis (Downs 1967). Systematic references. Garman (1884), Smith (1941 b), 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.
Published as part of 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, pp. 1-31 in Zootaxa 1395 on page 13, DOI: 10.5281/zenodo.273681
{"references":["Garman, S. (1884 [1883]) The reptiles and batrachians of North America. Part I: Ophidia. Memoirs of the Museum of Comparative Zoology, 8, 1 - 185.","Smith, H. M. (1941 b) A new Geophis from Mexico. Proceedings of the New England Zoological Club, 18, 49 - 55.","Dixon, J. R. & Thomas, R. A. (1974) A dichromatic population of the snake Geophis latifrontalis, with comments on the status of Geophis semiannulatus. Journal of Herpetology, 8, 271 - 273.","Downs, F. L. (1967) Intrageneric relationships among colubrid snakes of the genus Geophis Wagler. Miscellaneous Publications of the Museum of Zoology, University of Michigan, 131, 1 - 193."]}