Cycloramphus semipalmatus (Miranda-Ribeiro, 1920)

Class: Amphibia > Order: Anura > Family: Cycloramphidae > Genus: Cycloramphus > Species: Cycloramphus semipalmatus

Iliodiscus semipalmatus Miranda-Ribeiro, 1920, Rev. Mus. Paulista, São Paulo, 12: 269. Syntypes: MZUSP 737 (1 specimen) and 317 (2 specimens). Barbour and Loveridge, 1929, Bull. Mus. Comp. Zool., 69: 284, recorded MCZ 10750 as a syntype. Type locality: "Campo Grande—S[ão]. Paulo" and "Alta da Serra—S. Paulo", Brazil; restricted to "Paranapiacaba (= Alto da Serra), São Paulo", Brazil by Bokermann, 1966, Lista Anot. Local. Tipo Anf. Brasil.: 70.

Cycloramphus semipalmatusHeyer, 1983, Arq. Zool., São Paulo, 30: 317.

English Names

Campo Grande Button Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 71).


Serra do Mar in the state of São Paulo, Brazil, ca. 600 m elevation.

Geographic Occurrence

Natural Resident: Brazil

Endemic: Brazil


See account by Heyer, Rand, Cruz, Peixoto, and Nelson, 1990, Arq. Zool., São Paulo, 31: 293-294. Removed from the synonymy of Cyclramphus asper by Heyer, 1983, Arq. Zool., São Paulo, 30: 317, where it had been placed by Bokermann, 1951, Arq. Mus. Nac., Rio de Janeiro, 42: 83. See statement of geographic range, habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 619.

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