FIGURE 7. Dorsal, lateral, ventral views of the skull; and labial and lateral face of mandibles of Micrurus spixii spixii (A— MPEG 20664) from municipality of Ourilândia do Norte, state of Pará, Brazil; and M. s. obscurus (B—CEPB 5597) from municipality of Letícia, department of Amazonas, Colombia. Scale bar= 5 mm.