1996
Goyenechea MG, I., F. Mendoza, O. Flores-Villela and K.M. Reed. 1996. Extreme chromosomal polytypy in a population of Sceloporus grammicus (Sauria: Phrynosomatidae) at Santuario Mapethé, Hidalgo, México. J. of Herp. 30(1):39-46.
The karyotype of Sceloporus macdougallii (Squamata: Phrynosomatidae)
Taxonomic summary of Conopsis, Günther, 1858(Serpentes: Colubridae)
First records of herpetozoans in Zimapán, Hidalgo, Mexico
Amphibians and reptiles of the Mezquital Valley, Hidalgo, Mexico
Systematics: its history, methods and applications to snakes of the genus Conopsis
Phylogenetic relationships of snakes of the genus Conopsis based on morphology.