“…THE COMPOSITION of the diverse colubrid genus Tantilla, distributed from North to South America, has changed considerably in the last 30 yr. The changes include descriptions of several new species, change of one subspecies to species level, species reductions to synonymy, species resurrections, and one generic reallocation (e.g., Dixon et al, 2000;Smith et al, 1993;Wilson, 1982Wilson, , 1987. Wilson (1999) has provided an updated checklist, a key to the species, and information on the distribution of Tantilla.…”