Genus Pachymedusa, new genus
Type species, Agalychnis dacnicolor Cope, 1864.
Definition.—Fingers and toes having basal webs and lateral fringes; terminal discs large; first toe shorter than second and not opposable to others; skin smooth or shagreened, lacking osteoderms; paratoid glands present, diffuse; palpebral membrane reticulate; iris golden yellow with black reticulations; skull deep, depth more than 50 per cent of length; nasals large; frontoparietal fontanelle moderately large; quadratojugal robust; prevomerine teeth present.
Range.—Pacific slopes and lowlands from southern Sonora to the Isthmus of Tehuantepec, México.
Content.—Monotypic: dacnicolor Cope, 1864 [alcorni Taylor, 1952].
Remarks.—The generic name is derived from the Greek pachy meaning thick and the Greek Medousa (Latin, Medusa) in reference to Phyllomedusa; the sense implied is the heavy body of Pachymedusa dacnicolor.
Genus Phyllomedusa Wagler, 1830
Phyllomedusa Wagler, 1830 [Type species, Rana bicolor Boddaert, 1772].
Pithecopus Cope, 1866 [Type species, Phyllomedusa azurea Cope, 1862 (=Phyllomedusa hypochondrialis Daudin, 1803), by original designation].
Hylomantis Peters, 1872 [Type species Hylomantis aspera Peters, 1872, by monotypy].