Genera of Leptodactylid Frogs in México

Name: Genera of Leptodactylid Frogs in México
Author: Lynch, John D.

Lynch, John D.

Frogs -- Mexico; Leptodactylidae

Large (20-110 mm.), smooth skinned and non-toadlike
   frogs; maxillary and premaxillary bones bearing teeth            2

2. No conspicuous waist (Fig. 5); sternum bearing
   bony style,                                         _Leptodactylus_

   Constrictions at waist (Fig. 5); sternum
   cartilaginous, no bony style                                     3

3. Few (less than six), if any, supernumerary
   tubercles on plantar surface                    _Eleutherodactylus_

   Many (more than 8) supernumerary tubercles on
   plantar surfaces                                                 4

4. Terminal, transverse groove across tip of
   digits, especially outer two fingers, digits
   expanded or not; small frogs (18 to 40 mm.)                      5

   Tips of digits lacking transverse groove;
   digits unexpanded; medium-sized to large frogs
   (37 to 94 mm.)                                      _Hylactophryne_

5. Lumbo-inguinal gland compact, oval                   _Tomodactylus_

   Lumbo-inguinal or inguinal gland absent or
   diffuse and irregular in outline                       _Syrrhophus_




LITERATURE CITED


DIXON, J. R.

     1957. Geographic variation and distribution of the genus
           _Tomodactylus_ in Mexico. Texas Jour. Sci., 9:379-409,
           December.

DUELLMAN, W. E.

     1958. A review of the frogs of the genus Syrrhophus in
           western Mexico. Occas. Papers Mus. Zool. Univ.
           Michigan, 594:1-15, June 6.

     1961. The amphibians and reptiles of Michoacan, Mexico. Univ.
           Kansas Publ. Mus. Nat. Hist., 15:1-148, December 20.

FIRSCHEIN, I. L.

     1954. Definition of some little understood members of the
           leptodactylid genus _Syrrhophus_, with a description
           of a new species. Copeia, 1:48-58, February 19.

GALLARDO, J. M.

     1965. A proposito de los Leptodactylidae (Amphibia Anura).
           Papeis Avulsos, 17:77-87, January 30.

GORHAM, S. W.

     1963. The comparative number of species of amphibians in
           Canada and other countries. III. Summary of species
           of anurans. Canadian Field-Nat., 77:13-48, March.

GRIFFITHS, I.

     1959. The phylogeny of Sminthillus limbatus and the status of
           the Brachycephalidae (Amphibia Salientia). Proc. Zool.
           Soc. London, 132:457-87, May.

KELLOGG, R.

     1932. Mexican tailless amphibians in the United States
           National Museum. Bull. U. S. Natl. Mus., 160:224 pp.,
           March 31.

LLOYD, J. J.

     1963. Tectonic history of the south Central-American orogen,
           _in_ Childs and Beebe eds., Backbone of the Americas.
           Amer. Assoc. Petroleum Geol., pp. 88-100.

LYNCH, J. D.

     1965. A review of the eleutherodactylid frog genus
           _Microbatrachylus_ (Leptodactylidae). Nat. Hist. Misc.,
           182:1-12, December 15.

MYERS, G. S.

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Genera of Leptodactylid Frogs in México

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