FIGURE 4 in Multilocus species delimitation in the Crotalus triseriatus species group (Serpentes: Viperidae: Crotalinae), with the description of two new species

FIGURE 4. Lateral and dorsal view of the holotype of Crotalus tlaloci sp. nov. (MZFC 3666). The symmetrical paired arrangement of intercanthal scales, shown here in gray, create the appearance of butterfly wings in the prefrontal region.Published as part of Bryson, Robert W., Linkem, Charles W., Dorcas, Michael E., Lathrop, Amy, Jones, Jason M., Alvarado-Díaz, Javier, Grünwald, Christoph I. & Murphy, Robert W., 2014, Multilocus species delimitation in the Crotalus triseriatus species group (Serpentes: Viperidae: Crotalinae), with the description of two new species, pp. 475-496 in Zootaxa 3826 (3) on page 485, DOI: 10.11646/zootaxa.3826.3.3, http://zenodo.org/record/22546