FIG. 2 in Albanerpetontid Amphibians from the Upper Cretaceous (Campanian and Maastrichtian) of North America

FIG. 2. — Dentaries of Albanerpeton nexuosus Estes, 1981 and A. galaktion Fox & Naylor, 1982, Campanian and Maastrichtian (Aquilan to Lancian in age), North American Western Interior; A-I, A. nexuosus; A, B, UCMP 49540, topotypic right mandible consisting of incomplete dentary and anterior tip of angular, A, lingual view, B, occlusal view; C, UCMP 49535, incomplete topotypic right dentary, lingual view; D, E, UCM 38714, incomplete left dentary, D, labial view, E, lingual view; F, RTMP 96.78.152, anterior part of left dentary, lingual view; G, UALVP 16238, anterior part of right dentary, labial view; H, UALVP 40014, anterior part of right dentary, labial view; I, UALVP 40032, posterior part of left dentary missing posteriormost end of area for attachment of postdentary bones, lingual view; J-M, A. galaktion; J, UALVP 16221, incomplete small, left dentary, lingual view; K-M, UALVP 16217, incomplete large, right dentary, K, labial view, L, lingual view, M, occlusal view. Provenances: A-C, UCMP specimens, Lance Formation, Wyoming; D, E, UCM specimen, Laramie Formation, Colorado, all upper Maastrichtian (i.e. Lancian in age); F, RTMP specimen, Oldman Formation, middle Campanian (i.e. Judithian in age), Alberta; G-M, UALVP specimens, Milk River Formation, lower Campanian (i.e. Aquilan in age), Alberta. Scale bars: 1 mm.