Elachistocleis cesarii (Miranda-Ribeiro, 1920)

Class: Amphibia > Order: Anura > Family: Microhylidae > Subfamily: Gastrophryninae > Genus: Elachistocleis > Species: Elachistocleis cesarii

Engystoma ovale cesarii Miranda-Ribeiro, 1920, Rev. Mus. Paulista, São Paulo, 12: 284. Syntypes: MZUP 33 (Ypiranga), 36 (Perus), 37 (Cubatão), 38 (Belém), 42 (Ypiranga), 264 (Piquete), 529 (Alto da Serra), 715 (Alto da Serra), 2024-27 (Perus) according to Toledo, Loebmann, and Haddad, 2010, Zootaxa, 2418: 50, who designated MZUSP 529 as lectotype. Type localities: "Piquete", "Os Perus", "Alto da Serra—S. Paulo", and "Cubatao-Santos", São Paulo, Brazil; restricted to "São Paulo", Brazil, by Cochran, 1955 "1954", Bull. U.S. Natl. Mus., 206: 364; lectotype from "Alto da Serra", São Paulo, Brazil.

Engystoma ovale lineatum Miranda-Ribeiro, 1920, Rev. Mus. Paulista, São Paulo, 12: 284. Syntypes: MZUSP 39 (now 2022) (2 specimens). Type locality: R. da Serra, São Paulo, Brazil. Given as "Piassaguera (= Raiz da Serra), São Paulo", Brazil by Bokermann, 1966, Lista Anot. Local. Tipo Anf. Brasil.: 39. Synonymy by Toledo, Loebmann, and Haddad, 2010, Zootaxa, 2418: 50-60.

Engystoma cesarii mottae Miranda-Ribeiro, 1920, Rev. Mus. Paulista, São Paulo, 12: 284. Types: not stated; given by museum records MZUSP 36 (2024-2027), 37 (2023), 42, 264 and 529. Type locality: São Paulo, Brazil. Nomen nudum. Synonymy (with Elachistocleis ovalis) by Parker, 1934, Monogr. Frogs Fam. Microhylidae: 121. Associated here with Engystoma ovale cesarii Miranda-Ribeiro by reason of the types of Engystoma cesarii mottae being in the syntypic series of Engystoma ovale cesarii.

Elachistocleis cesariiToledo, Loebmann, and Haddad, 2010, Zootaxa, 2418: 50. 

Engystoma cesarii — Dubois, Ohler, and Pyron, 2021, Megataxa, 5: 216. 

English Names

None noted.


Southeastern to central Brazil in eastern São Paulo, south-central Minas Gerais, and Goiás.


Redescribed and removed from the synonymy of Elachistocleis bicolor by Toledo, Loebmann, and Haddad, 2010, Zootaxa, 2418: 50–60, who also described the advertisement call. Cruz, Feio, and Caramaschi, 2009, Anf. Ibitipoca: 124–125, provided photographs and a brief account (as Elachistocleis ovalis) for Parque Estadual do Ibitipoca, Minas Gerais, Brazil. Magalhães, Santana, Mollo, and Garda, 2012, Zootaxa, 3187: 54–56, reported on larval morphology. Neves, Yves, Pereira Silva, Alves, Vasques, Coelho, and Silva, 2019, Herpetozoa, Wien, 32: 113–123, provided habitat information and records for western Minas Gerais, Brazil. See Dubeux, Nascimento, Lima, Magalhães, Silva, Gonçalves, Almeida, Correia, Garda, Mesquita, Rossa-Feres, and Mott, 2020, Biota Neotrop., 20 (2: e20180718): 1–24, for characterization and identification of larvae north of the Rio São Francisco in the Atlantic Forest of northeastern Brazil. Vaz-Silva, Maciel, Nomura, Morais, Guerra Batista, Santos, Andrade, Oliveira, Brandão, and Bastos, 2020, Guia Ident. Anf. Goiás e Dist. Fed. Brasil Central: 154–155, provided an account for Goiás, Brazil. Eterovick, Souza, and Sazima, 2020, Anf. Serra do Cipó: 1–292, provided an account, life history information, and an identification scheme for the Serra de Cipó, Minas Gerais, Brazil. Jowers, Othman, Borzée, Rivas-Fuenmayor, Sánchez-Ramírez, Auguste, Downie, Read, and Murphy, 2021, Organisms Divers. Evol., 21: 189–206, discussed the phylogenetics and biogeography of this species. Alves-Ferreira, Paixão, and Nomura, 2021, Biota Neotrop., 21 (4: e20201178): 1–11, reported on larval morphology in Goias, Brazil. Pezzuti, Leite, Rossa-Feres, and Garcia, 2021, S. Am. J. Herpetol., 22 (Special Issue): 1–109, described and discussed larval morphology and natural history.   

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