One of the most obvious morphological synapomorphies of the genus is the presence, in males only, of a large prepollex that runs along the first finger and generally is closely connected to the first finger over most of its length. Correlated to this character, in males and females, the first finger is very short compared to other cophylines.[3] This is true even of the extremely miniaturised species Anodonthyla eximia described in 2019.[4]
^ abcFrost, Darrel R. (2020). "Anodonthyla Müller, 1892". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 19 March 2020.
^ ab"Microhylidae". AmphibiaWeb. University of California, Berkeley. 2019. Retrieved 19 March 2020.