FIGURE 9. Telmatobius laticeps musculature, stage 31 in Larval anatomy of Andean tadpoles of Telmatobius (Anura: Ceratophryidae) from Northwestern Argentina

FIGURE 9. Telmatobius laticeps musculature, stage 31 (A) Dorsal view (B) Ventral view (C) Lateral view (D) Detail of the muscles of the muscular process; mm. orbitohyoideus and hyoangularis have been removed, in order to show the insertions of mm. quadratoangularis, suspensorioangularis, and suspensoriohyoideus. cb (II–IV) constrictor branchialis, cl constrictor laryngis, db diaphragmatobranchialis, dl dilatator laryngis, gh geniohyoideus, ha hyoangularis, ih interhyoideus, im intermandibularis, lab (I–IV) levator arcuum branchialis, lma levator mandibulae articularis, lmep levator mandibulae externus profundus, lmes levator mandibulae externus superficialis, lmi levator mandibulae internus, lml levator mandibulae lateralis, lmlp levator mandibulae longus profundus, lmls levator mandibulae longus superficialis, ml mandibulolabialis, oh orbitohyoideus, qa quadratoangularis, rc rectus cervicis, sa suspensorioangularis, sh suspensoriohyoideus, so subarcualis obliquus, sr (I–IV) subarcualis rectus, tp tympanopharyngeus. Scale line = 1 mm.