Goyenechea, I; Flores Villela, Oscar Alberto(2000)
The designation of a neotype for Conopsis nasus is necessary because the type specimen is apparently lost, the original description is ambiguous and can be applied to more than one valid taxon, and there are inconsistencies ...
Incubation temperature has been shown to control sex determination (TSD) in both suborders of living turtles, including freeshwater, terrestrial, and sea turtles. This study combines field and laboratory data freom four ...
The karyotypic status of the mesquite lizard, Sceloporus grammicus, was investigated at two localities at Santuario Mapethe, Hidalgo, Mexico. A total of 23 different karyotypes was recorded freom the 36 individuals examined. ...
Mendoza Quijano, F; Flores Villela, Oscar Alberto; Sites, JW(1998)
We investigated species boundaries and phylogenetic relationships in the Sceloporus variabilis group, using multilocus isozyme characters. Fortyone genetic markers were screened in a sample of 238 lizards freom 47 localities, ...