Lysapsus Cope, 1862

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Lysapsus
4 species

Lysapsus Cope, 1862, Proc. Acad. Nat. Sci. Philadelphia, 14: 155. Type species: Lysapsus limellum Cope, 1862, by monotypy.

LisapsusSteindachner, 1867, Reise Österreichischen Fregatte Novara, Zool., Amph.: 50. Incorrect subsequent spelling.

English Names

Harlequin Frogs (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 97).


Southwestern Guyana and adjacent northern Brazil south to southern Brazil, Uruguay, Paraguay, Bolivia, and northern Argentina. 


In Dendropsophini of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 93. Removed from the synonymy by Garda, Santana, and São Pedro, 2010, Zootaxa, 2666: 1-28 (on the basis of evidence presented by Wiens, Kuczynski, Hua, and Moen, 2010, Mol. Phylogenet. Evol., 5555: 871-882), where it had been placed by Aguiar, Bacci, Lima, Rossa-Feres, Haddad, and Recco-Pimentel, 2007, Cladistics, 23: 462. See comment under Pseudis. Garda, Santana, and São Pedro, 2010, Zootaxa, 2666: 1-28, reported on morphometrics and ranges of the species. Considered a synonym of Pseudis by Dubois, Ohler, and Pyron, 2021, Megataxa, 5: 509, otherwise its sister-genus. Turazzini and Gómez, 2023, Zool. Anz., 303: 47–70, reported on osteology of Lysapsus and Pseudis, with special reference to synapomorphies of groups within and shared by these taxa. 

Contained taxa (4 sp.):

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