Cycloramphus rhyakonastes Heyer 1983

Diagnosis Species with toe reduced webbing; distinct black and/or white dorsal tubercles; lack thumb spines, with large light distinct spots on the posterior surface of the thigh and red bellies in life.

Serra do Mar in the states of Paraná and Santa Catarina, Brazil.

Description of holotype snout rounded from above and in profile, lip flared; canthus rostralis indistinct; loreal shallowly concave in cross section; tympanum hidden; vomerine tooth bearing process obtuse angulate, between and posterior to choanae, vomerine teeth not visible; vocal fold, not a slit; first and second fingers about equal, second just longer than first when equally adpressed; outer metacarpal tubercle modified cordiform, inner metacarpal tubercle ovoid, separated from thumb subarticular tubercle by distance greater than diameter of subarticular tubercle; thumbs lacking asperities; dorsal texture shagreened with high relief warts bearing brown tipped tubercles, warts arranged in short, symmetrical series; supratympanic fold discernable; inguinal gland small, disk shaped, diameter 1/5 - 1/4 length of femur; venter weakly granular; toe tips slightly swollen, just broader than digit width; toes fringed, webbed; subarticular tubercles moderate; prominent, rounded outer metatarsal tubercle smaller than ovoid inner metatarsal tubercle; no tarsal or metatarsal folds; posterior tarsus shagreened and covered with brown tubercles; sole of foot shagreened, lacking tubercles. Measurements (in mm): snout-vent length 42.2, head length 16.1 head width 1 7.8, eye-nostril distance 3.8, eye-eye distance 7.7, femur 22.7, tibia 21.6, foot 21.8. Dorsal pattern mottled with light spot in middle of back and light interorbital bar; upper lip with light stripes from below eye to edge of lip; upper limbs barred, chin gray with contrasting small light spots; chest mottled, belly and under limb surfaces lightly mottled, red in life; posterior surface of thigh dark with distinct light spots, yellow in life. Adult Specimen Definition Based on 57 specimens. Thumbs lacking asperities; snout usually rounded, rarely vertically sloping in profile, lip flared or not; dorsal pattern uniform or mottled; posterior surface of thigh usually dark with distinct light spots, rarely uniform or mottled; lip stripes, chin spots and thigh spots faded to bright yellow in life, belly and under limbs dirty yellow-red (sometimes) to vivid brick red in life; dorsal texture shagreened with high relief warts bearing white or brown tipped tubercles, warts often arranged in short irregular or regular rows; toes fringed; male snout-vent length 45.2 ± 2.5, maximum 50.6 mm, female 52.2 ± 3.0, maximum 56.4, females larger than males (t = 9.7, P < .001); male head length/snout-vent length ratio 0.40 ± .01; female 0.39 ± .01; male head width/snout-vent length ratio 0.42 ± .01, female 0.41 t .01; male eye-nostril distance/snout-vent length ratio 0.09 ± .01, female 0.08 ± .01; male eye-eye distance/ snout-vent length ratio 0.18 ± .01, female 0.18 ± .01; male femur/snout-vent length ratio 0.47 ± .05, female 0.46 ± .02; male tibia/snout-vent length ratio 0.47 ± .03, female 0.46 ± .02; male foot/snout-vent length ratio 0.49 ± .04, female 0.48 ± .02.

AMÉRICA DO SUL

DD. Data Deficient. Cited how "dados insuficientes" na Lista Vermelha do Estado do Paraná.