Modra, Allyson M.

Phylogeny of Bothrops, Bothriopsis, and Bothrocophias species (Serpentes: Viperidae: Crotalinae) inferred from morphological data / by Allyson M. Modra. - Tyler, Tex.: University of Texas at Tyler, 2006. - University of Texas at Tyler theses .

Thesis (M.S.) - University of Texas at Tyler, 2006.

References: leaves 76-85.


Pit vipers--Phylogeny.
Snakes--South America.