Phylogenetics, classification, and biogeography of the treefrogs (Amphibia: Anura: Arboranae) Author Duellman, William E. Author Marion, Angela B. Author Hedges, Blair text Zootaxa 2016 4104 1 1 109 journal article 10.11646/zootaxa.4104.1.1 9b3e7716-1099-48ca-803b-620c25d788f1 1175-5326 265809 D598E724-C9E4-4BBA-B25D-511300A47B1D Sphaenorhynchus Tschudi, 1838 Sphaenorhynchus Tschudi, 1838 :71 . Type species: Hyla lactea Daudin, 1802 , by original designation. Definition. Small to medium-sized green treefrogs with rounded discs on the fingers and toes, both of which are extensively webbed. Content. Fourteen species: Sphaenorhynchus botocudo* Caramaschi, Albeida & Gasparini , bromelicola* Bokemann, caramaschii* Toledo, Garcia, Lingnau & Haddad, carneus* (Cope), dorisae (Goin) , lacteus (Daudin) , mirim* Caramaschi, Albeida & Gasparini, orophilus (Lutz & Lutz) , palustris* Bokermann, pauloalvini* Bokermann, planicola* (Lutz & Lutz), platycephalus * (Werner), prasinus * Bokermann, and surdus* (Cochran). Distribution. South America east of the Andes southward to Bolivia and southeastern Brazil ; Trinidad . Etymology. The generic name is derived from the Greek sphenos meaning wedge and the Greek rhynchos meaning snout. The name applies to the flattened snouts of members of this genus. Remarks. Molecular data are available only for the three Amazonian species that are supported at 100% for their monophyly, but data are missing for the 11 species in eastern Brazil .