2000
Goyenechea MG, I. y O. Flores-Villela. 2000. Designation of a neotype for Conopsis nasus (Serpentes: Colubridae). COPEIA. 2000 (1): 285-287.
Systematics: its history, methods and applications to snakes of the genus Conopsis
Taxonomic summary of Conopsis, Günther, 1858(Serpentes: Colubridae)
Amphibians and reptiles of the Mezquital Valley, Hidalgo, Mexico
First records of herpetozoans in Zimapán, Hidalgo, Mexico
Phylogenetic relationships of snakes of the genus Conopsis based on morphology.
The karyotype of Sceloporus macdougallii (Squamata: Phrynosomatidae)