FIGURE 3 in Larval chondrocranium morphology of five species of Proceratophrys Miranda-Ribeiro (Amphibia; Anura; Odontophrynidae)

FIGURE 3. Morphological variation in chondrocranium of Proceratophrys boiei. Dorsal view (A) and suprarostral cartilage (B) from specimens of Minas Gerais state (DZSJRP 1104.2), Gosner stage 32; hyobranchial apparatus of specimens of Paraná state (C) (DZSJRP 819.3), Gosner stage 35. cb I–IV, ceratobranchials I-IV; ch, ceratohyal; cq, comissura quadratoorbitalis; ct, cornua trabeculae; hp, hipobranchial plate; oc, otic capsule; pah, processus anterior hyalis; pal, processus anterolateralis hyalis; paq, pars articularis quadrati; pm, processus muscularis; pph, processus posterior hyalis; pq, palatoquadrate; pr, pars reuniens; s, spicules; sa, suprarostral alae; sc, suprarostral corpus; sn, septum nasi; ts, tectum synoticum; ttm, taenia tecti medialis; ttt, taenia tecti transversales. MG, Minas Gerais state; PR, Paraná state; RJ, Rio de Janeiro state. Scale bar = 0.5 mm.