Ventral views of heads of Toxicocalamus loriae Group snakes, presented as both photographic and line-drawing illustrations. A, A’ holotype of T. loriae (MSNG 29141). B, B’ lectotype of T. nymani comb. nov. (UUMZ 290/2387). C, C’ lectotype of T. loennbergii comb. nov. (BMNH 1946.1.18.24). D, D’ holotype of T. lamingtoni comb. nov. (AMS R9351). Images not to scale. Scale abbreviations: anterior genials (AG), intergenials (IG), numbered infralabials (IL1–6), mental (M), posterior genials (PG), sublabials (Sb).