FIGURE 3 in The tadpole of Eupsophus nahuelbutensis (Anura: Neobatrachia): external morphology, chondrocranium, and comments on its natural history

FIGURE 3. Chondrocranium of Eupsophus nahuelbutensis (Stage 31). (A) Dorsal view, (B) ventral view, (C) lateral view, and (D) ventral view of hyobranchial apparatus. Abbreviations: cb I–IV = ceratobranchials I-IV, ch = ceratohyal, co = cartilago orbitalis, cot = commissura terminalis, cqa = commissura quadratocranialis anterior, ct = cornua trabeculae, faq = fascies articularis quadrati, fca = foramen caroticum primarium, fcr = foramen craniopalatinum, foc = foramen oculomotorium, fop = foramen opticum magnum, fpo = foramen prooticum, hp = hypobranchial plate, i = cartilago infrarostralis, m = cartilago meckeli, nc = notochordal cannal, oc = otic capsule, pa = processus anterolateralis hyalis, pac = processus anterior hyalis, paq = pars articularis quadrati, pas = processus ascendens, pm = processus muscularis quadrati, pph = processus posterior hyalis pq = palatoquadrate, pr = pars reuniens, sa = pars alaris, sc = pars corporis, ts = tectum synoticum, ttm = taenia tecti marginalis, up = urobranchial process. Bars equals 1 mm.