Lara-Hernández, F. A., Peña-Serrano, J., & Vásquez-Cruz, V. (2020). A dicephalic Western Dusky Rattlesnake, Crotalus triseriatus (Squamata: Viperidae). Reptiles & Amphibians, 27(3), 530-531. https://doi.org/10.17161/randa.v27i3.14913 (Original work published 2020)