Osteocephalus is a genus of frogs, the slender-legged tree frogs, in the family Hylidae found in the Guianas, the Amazon Basin, Venezuela, Colombia, southeastern Brazil, and north-eastern Argentina. Males are warty, while females are smooth.
"Centrolene" medemi is a species of frog in the family Centrolenidae. The species occurs in the Cordillera Oriental in the Tolima, Caquetá, and Putumayo Departments in Colombia and adjacent Napo in Ecuador. The generic placement of this species within the subfamily Centroleninae is uncertain. The specific name medemi honors Fred Medem, collector of the holotype. Common name Medem giant glass frog has been coined for it.
Ameerega ingeri, sometimes known as the Niceforo's poison frog, Brother Niceforo's poison frog, or Inger's poison frog, is a species of frog in the family Dendrobatidae. It is endemic to the Colombian Amazon. It is known with certainty only from its type locality in the Caquetá Department. Records from the Putumayo Department ascribed to this species likely refer to Ameerega bilinguis, although other sources continue to include Putumayo in the range of Ameerega ingeri.
Dendropsophus aperomeus is a species of frog in the family Hylidae. It is endemic to Peru and occurs on the Amazonian slopes of the Andes in northern and central Peru. Common name Balzapata treefrog has been coined for it.
Dendropsophus bogerti is a species of frog in the family Hylidae. It is endemic to the Andes of Colombia and occurs in the Cordillera Central in Antioquia, Caldas, and Chocó Departments. The specific name bogerti honors Charles Mitchill Bogert, an American herpetologist. Soon after its description in 1970, it was relegated to synonymy of Dendropsophus carnifex, but its species status was restored in 1997.
Dendropsophus joannae is a species of frogs in the family Hylidae. It is known from the Pando Department, northern Bolivia, western Brazil, and Madre de Dios Region of southeastern Peru. It is similar to Dendropsophus leali but is smaller, has a shorter snout, more protuberant eyes, and more tuberculate dorsal skin. The specific name joannae honors Mrs. Jo Ann Oxley Foster, a BIOPAT patron supporting taxonomic research and nature conservation.
Dendropsophus riveroi is a species of frog in the family Hylidae. It is found in the upper Amazon Basin in western Brazil, Bolivia, Peru, Ecuador, and southern Colombia. In Ecuador it has been mixed with the newly described Dendropsophus shiwiarum. The specific name honours Juan A. Rivero.
Dendropsophus stingi is a species of frogs in the family Hylidae. It is endemic to Colombia and occurs on the eastern slope of the Cordillera Oriental in the Boyacá Department. The species was named after celebrity musician Sting in recognition of his "commitment and efforts to save the rain forest". Despite this, common name Kaplan's Garagoa treefrog has been coined for it.
Osteocephalus helenae is a species of frog in the family Hylidae. It is widely distributed in the Amazon Basin and is known from the lowlands of Bolivia, Peru, Brazil, Colombia, Venezuela, Guyana, and French Guiana. The specific name helenae honors Helen Beulah Thompson Gaige, an American herpetologist. Common name Helena's [sic] treefrog has been proposed for it.
Nyctimystes persimilis, also known as the Milne big-eyed treefrog, is a species of frog in the subfamily Pelodryadinae of the family Hylidae. It is endemic to Papua New Guinea and known from Mount Dayman and Mount Simpson in the Owen Stanley Range.
Osteocephalus buckleyi, also known as Buckley's slender-legged treefrog, is a species of frog in the family Hylidae. It is found along the periphery of the Amazon Basin in Bolivia, Peru, Ecuador, Colombia, northeastern Brazil, Venezuela, Guyana, Suriname, and French Guiana, and also in the Orinoco Delta in Venezuela. It is probably a species complex. Some sources treat Osteocephalus vilmae from Ecuador and Peru as a valid species.
Osteocephalus deridens is a species of frog in the family Hylidae. It is found in the Napo and Pastaza River drainages in eastern Ecuador and in the Loreto Region, northern Peru. The specific name deridens is derived from Latin deridere, meaning "make fun of someone". This alludes to the males calling from the treetops that sound "as if they are laughing at the collectors' vain attempts to reach them". Common name funny slender-legged treefrog has been coined for this species.
Osteocephalus fuscifacies is a species of frog in the family Hylidae endemic to Ecuador. It is known from the Napo River drainage at intermediate elevations. The specific name fuscifacies is derived from Latin fuscus (=tan) and facies (=face), in reference to the uniform tan-colored loreal region and the lack of a light subocular spot. Common name Napo slender-legged treefrog has been coined for this species.
Sarcohyla labeculata is a species of frog in the family Hylidae. It is endemic to the Sierra Mixe in Oaxaca, Mexico. This species was resurrected from synonymy of Sarcohyla bistincta in 2018, while at the same time bringing Sarcohyla calthula and Sarcohyla ephemera in its synonymy. Common name Mixe streamside treefrog has been proposed for this species, whereas the common names yellow-robed treefrog and Cerro Las Flores spikethumb frog referred to the former S. calthula and S. ephemera, respectively.
Scinax danae is a species of frog in the family Hylidae. It is endemic to southeastern Venezuela and occurs in the La Escalera region of the Sierra de Lema, Bolívar state. The specific name danae honors Dana Trueb Duellman, the daughter William E. Duellman, the scientist who described this species. Despite this, common name Bolivar snouted treefrog has been coined for this species.
Sphaenorhynchus dorisae, the Doris' lime treefrog, is a species of frog in the family Hylidae. It is found in the upper Amazon Basin of southeastern Colombia, Ecuador, Brazil and Peru. It might also be present in Bolivia.
Pristimantis cabrerai is a species of frog in the family Strabomantidae. It is endemic to Colombia and is known from the Cordillera Occidental in Antioquia and Caldas Departments. Although common name Valle robber frog has been suggested for it, the specimen from Valle del Cauca is no longer assigned to this species.
Litoria spartacus is a species of frog in the subfamily Pelodryadinae of the family Hylidae. It is endemic to Papua New Guinea and is only known from two localities within the Kikori Integrate Conservation and Development Project Area in the Southern Highlands Province. It has affinities to Litoria macki and Litoria spinifera but has a smaller size and more extensively webbed hands and less tuberculate body.
Osteocephalus castaneicola is a species of frog in the family Hylidae. It is found in lowland Amazonia of northern Bolivia, adjacent southeastern Peru, and western Brazil. It breeds in water-filled fruit capsules of the Brazil nut, a characteristic also alluded to in its specific name castaneicola derived from the Latin castanea, the root of the vernacular name castaña for the Brazil nut, together with the Latin colō meaning "to inhabit".
Osteocephalus vilarsi is a frog in the family Hylidae endemic to the state of Amazonas in Brazil and the state of Amazonas in Venezuela. Scientists think it might also live in Colombia. This frog lives in white-sand forests.
