English: Cleared and double-stained specimens of Brachycephalus rotenbergae sp. nov. (A) Dorsal and (B) ventral view of complete skeleton; (C) dorsal, (D) lateral and (E) ventral view of skull with details of mandible and arytenoids cartilage; (F) dorsal view of left hand, arrow indicates ulna and radio fused; (G) dorsal view of left foot, arrow indicates tibiale and fibulare fused; (H) ventral view of pectoral girdle with scapula and supra-scapula deflected; (I) ventral view of spine, arrows indicates vertebrae IV and V fused (in vertebrae body and in transverse process). Vouchers, figs. A, B and E (ZUFMS-AMP 13648, male, SVL 15.89 mm); C, D, F, G, H and I (ZUFMS-AMP 13649, male, SVL 15.79 mm). Acronyms: ac (arytenoids cartilage), clav (clavicle), cor (coracoid), mand (mandible), max (maxilla), nas (nasal), papl (parotic plate), pg (pectoral girdle), pmax (premaxilla), poc (pos orbital crest), prsph (parasphenoid), ptr (pterigoid), pv (presacral vertebrae), pvpl (paravertebral plate), ra (radius), sac (sacrum), sca (scapula), spl (spinal plate), sq (squamosal), ssca (supra-scapula), tpv (transverse process of presacral vertebrae), ul (ulna), uro (urostyle), vm (vomer). Scale bar = 2 mm.