anura; frog

265 afrogis ago anura any back butmolecular clock concentration datingsuggests distributed diverse diversityis extend fossil frog frogs further greatest greekwithout intropical largelycarnivorousgroup may member million ofspecies origins protofrogappeared rainforests ranging shortbodied tail taillessamphibianscomposing theearly their theoldest theorderanuraancient thepermian thetropicstosubarcticregions triassicofmadagascar widely years