1. Clemson University Department of Biological Sciences, , Clemson, SC 29634, USA
2. California Academy of Sciences Department of Herpetology, , San Francisco, CA 94118, USA
3. Universdad Juárez del Estado de Durango, Av. Universidad s/n. Fracc. Filadelfia Facultad de Ciencias Biológicas, , Gómez Palacio, Durango 35010, Mexico
4. Herp.mx A.C. C.P. 28989 , Villa de Álvarez, Colima, Mexico
5. Avenida de la Ribera #203 Biodiversa A.C., , C.P. 45900, Chapala, Jalisco, Mexico
6. Life Sciences Institute, University of Michigan , Ann Arbor, MI 48109 , USA
7. Laboratório de Coleções Zoológicas, Instituto Butantan , Avenida Vital Brasil, São Paulo, 05503-900 , Brazil