Genus Maxantonia Maxantonia Schmidt, 1922: 264; Metcalf, 1961: 516 (syn. of Cercopis). Type species: Sphenorhina quadriguttata Walker, 1851: 689 by original designation. Generic Diagnosis: The postclypeus bears two smaller carinae in addition to the typical median carina, giving the appearance that the postclypeus has three longitudinal carinae; the pygofer bears two processes between the anal tube and the subgenital plates; paramere subrectangular, with the dorsal process strongly developed and subapical spine either directed anteriorly or posteriorly; aedeagus subcylindrical with straight shaft and with two pairs of apical processes (short, wide, and hood-shaped). Distribution: Brazil, Ecuador, Colombia, Peru, Bolivia and Panama.

Published as part of Paladini, Andressa & Cryan, Jason R., 2012, Nine new species of Neotropical spittlebugs (Hemiptera: Cercopidae: Ischnorhininae), pp. 53-68 in Zootaxa 3519 on page 60, DOI: 10.5281/zenodo.215415