The mouths are large and directed ventrally.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
Ptychohyla schmidtorum lacks spots on the venter, whereas P. ignicolor has small dark flecks ventrally.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
Four specimens of meridionalis trapped in July at the type locality, only one mile from the locality of capture of the February-taken specimens, are distinctly darker dorsally and slightly darker ventrally than the three meridionalis trapped in February and March, but resemble the latter three in shortness of tail and in having short, "peppered" dorsal pelage.
"Records of Harvest Mice, Reithrodontomys, from Central America, with Description of a New Subspecies from Nicaragua"
Sydney Anderson J. Knox Jones