Osteocephalus is a group of frogs. In English, they are named the slender-legged tree frogs. They are a genus in the family Hylidae. They live in the Guianas, the Amazon Basin, Venezuela, Colombia, southeastern Brazil, and northeastern Argentina. Male frogs have warty, bumpy skin, and female frogs have smooth skin.
Jungfer, K.-H., Schiesari, L.C. (1995a): Description of a central Amazonian and Guianan tree frog, genus Osteocephalus (Anura, Hylidae), with oophagous tadpoles. - Alytes, Paris13(1), pp. [1-13]
Jungfer, K.-H., Ron, S., Seipp, R., Almendáriz, A. (2000): Two new species of hylid frogs, genus Osteocephalus, from Amazonian Ecuador. - Amphibia-Reptilia21(3), pp. [327-340]
Jungfer, K.-H., Hödl, W. (2002): A new species of Osteocephalus from Ecuador and a redescription of O. leprieurii (Duméril & Bibron, 1841) (Anura: Hylidae). - Amphibia-Reptilia23(1), pp. [21-46]
Jungfer, K.-H., J. Faivovich, J.M. Padial, S. Castroviejo-Fisher, M. Lyra, B. Von Muller Berneck, P. Iglesias, P.J.R. Kok, R.D. MacCulloch, M.T. Rodrigues, V.K. Verdade, C.P. Torres Gastello, J.C. Chaparro, P.H. Valdujo, S. Reichle, J. Moravec, V. Gvoždík, G. Gagliardi-Urrutia, R. Ernst, I. De la Riva, D.B. Means, A.P. Lima, J.C. Señaris, W.C. Wheeler and C.F.B. Haddad. (2013). Systematics of spiny-backed treefrogs (Hylidae: Osteocephalus) an Amazonian puzzle. Zoologica Scripta42: 351–380.
Other websites
Frost, Darrel R. 2007. Amphibian Species of the World: an Online Reference. Version 5.1 (10 October 2007). Osteocephalus. Electronic Database accessible at http://research.amnh.org/herpetology/amphibia/index.php. American Museum of Natural History, New York, USA. (Accessed: Apr 24, 2008).
AmphibiaWeb: Information on amphibian biology and conservation. [web application]. 2008. Berkeley, California: Osteocephalus. AmphibiaWeb, available at http://amphibiaweb.org/. (Accessed: Apr 24, 2008).