Brachycephalus tabuleiro

description

Description of the Holotype. Body robust, " bufo-ni-form "; head wider than long, head length 20 % of SVL; snout short, rounded in dorsal and lateral views; nostrils elliptical and protuberant; canthus rostralis distinct and straight; loreal region slightly concave; eyes oriented anterolaterally; eye diameter 52 % (range) of head length; tympanum absent; lips nearly sigmoid; vocal sac not expanded externally; elongated vocal slits; tongue elliptic, longer than wide, with the posterior half not adherent to floor of mouth; vomerine teeth absent; choanae small and rounded, anterior to eyes, separated from each other. Arm and forearm moderately slender; hands with fingers I and IV greatly reduced, represented externally by a small lump; finger II reduced but distinct, and finger III larger and robust; fingertips I, II, and III rounded; finger lengths IV <I <II <III; subarticular tubercles absent; inner and outer metacarpal tubercles absent. Legs relatively short, moderately robust; thigh length 34 % (range) of SVL, tibia length 92 % (range) of thigh length; toes I and V present but externally indistinguishable, toe II greatly reduced, toe III short and distinct, and toe IV larger and r

A new species of Brachycephalus (Anura: Brachycephali-dae) from Serra do Tabuleiro, Southern Brazil

description

Measurements of the holotype (in mm). SVL 10.40; HL 2.09; HW 4.29; ND 0.18; IND 1.12; ED 1.08; IOD 2.48; END 0.48; THL 3.50; TBL 3.22; FL 3.87; UAL 1.63; FAL 2.54; HAL 1.91.

A new species of Brachycephalus (Anura: Brachycephali-dae) from Serra do Tabuleiro, Southern Brazil

diagnosis

Diagnosis. Brachycephalus tabuleiro is a new species of the B. pernix group and can be distinguished from its congeners using the following combination of characters: (1) " bufoniform " body; (2) small adult SVL: 9.57 - 11.10 mm for males (n = 6), 10.88 - 12.70 mm for females (n = 3); (3) head proportionally small (HL / SVL 19 - 28 %) and eye proportionally large (ED / HL 36 - 56 %); (4) dorsum texture rough; (5) snout shape rounded in dorsal and lateral views; (6) general dorsal body color olive green with head, arms and legs yellow-orangish scattered with olive green, and an orangish vertebral stripe spotted with white and brown colors; (7) background yellow-orangish in the ventral region with reticulated green stains, mainly concentrated in the peripheral portion; (8) fingers I and IV greatly reduced, represented externally by a small lump, finger II reduced but distinct, and finger III larger and robust; (9) tips of the fingers I, II, and III rounded; (10) toes I and V present but externally indistinguishable, toe II greatly reduced, toe III short and distinct, and toe IV larger and robust; (11) tips of the toes II, III, and IV rounded; (12) skull and skeleton without hyperossi

A new species of Brachycephalus (Anura: Brachycephali-dae) from Serra do Tabuleiro, Southern Brazil

distribution

Distribution. Brachycephalus tabuleiro is known from one locality in Sao Bonifacio municipality, to the Parque Estadual da Serra do Tabuleiro, a protected area in Santa Catarina state, Brazil (Fig. 9). Although the type series was collected outside the Park boundaries, we also recorded males calling inside the protected area.

A new species of Brachycephalus (Anura: Brachycephali-dae) from Serra do Tabuleiro, Southern Brazil