University of Kansas Publications

Museum of Natural History

Volume 20, No. 1, pp. 1-45, 22 figs.

  February 20, 1970  

A Taxonomic Revision
of the Leptodactylid Frog Genus
Syrrhophus Cope

BY

JOHN D. LYNCH

University of Kansas
Lawrence
1970

[Pg 2]

[Pg 3]

Cope (1878) proposed the genus Syrrhophus for a medium-sizedleptodactylid frog from central Texas; in the ensuing 75 years the genuswas expanded to include a heterogeneous group of frogs ranging fromTexas to Peru. Taylor (1952) and Firschein (1954) limited the genus toseveral species of frogs occurring in Guatemala, México, and Texas.Lynch (1968) provided a definition of the previously loosely-definedgenus.

With the exception of Taylor (1952), who treated the Costa Ricanspecies, none of these authors dealt with the present status of thenineteen species erroneously assigned to Syrrhophus. These species arelisted in Tables 1 and 2 with the name currently applied. Some of themare new combinations and their justifications will be publishedelsewhere. Gorham (1966) is the most recent author to include SouthAmerican species in the genus Syrrhophus.

Smith and Taylor (1948) recognized two species groups of the genus inMéxico, an eastern and a western group (here termed complexes forpurposes of discussion), separated on the basis of the number of palmar(metacarpal) tubercles (three palmar tubercles in the members of

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