Elachistocleis bicolor (Guérin-Méneville, 1838)

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

Oxyrhynchus bicolor Guérin-Méneville, 1838, Icon. Regne Animal, 3: 17, pl. 27, fig. 2. Holotype: Animal figured in pl. 27, no. 2, in original publication (but see Lavilla, Vaira, and Ferrari, 2003, Amphibia-Reptilia, 24: 279); originally in "Cuv. Coll. Mus." (= MNHNP), not recently located. Type locality: "l'Amerique méridionale [= South America]", considered by Lavilla, Vaira, and Ferrari, 2003, Amphibia-Reptilia, 24: 279, to likely be "Buenos Aires, Argentina".

Oxyrhincus bicolorDuméril and Bibron, 1841, Erp. Gen., 8: 738. Incorrect subsequent spelling of the generic name.

Engystoma ovale var. bicolorBoulenger, 1885, Ann. Mag. Nat. Hist., Ser. 5, 16: 195.

Engystoma ovale concolor Miranda-Ribeiro, 1920, Rev. Mus. Paulista, São Paulo, 12: 284. Holotype: MZUSP 41, by original designation; now MZUSP 2021 according to XXX. Type locality: "Ypiranga", São Paulo, Brazil.

Elachistocleis ovale bicolorParker, 1927, Occas. Pap. Mus. Zool. Univ. Michigan, 187: 4.

Elachistocleis ovalis bicolorMüller and Hellmich, 1936, Wissenschaft. Ergebn. Deutschen Gran Chaco Exped., Amph. Rept.: 92; Freiberg, 1942, Physis, Buenos Aires, 19: 219-240.

Elachistocleis bicolorCarvalho, 1954, Occas. Pap. Mus. Zool. Univ. Michigan, 555: 1–19.

English Names

Two-colored Oval Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 89).

Distribution

Central Argentina and Uruguay through Paraguay to southern Brazil.

Comment

Synonymy and review in Cei, 1980, Monit. Zool. Ital., N.S., Monogr., 2: 155. See comment under Elachistocleis. Suggested to be a junior synonym of Elachistocleis ovalis by Klappenbach and Langone, 1992, An. Mus. Nac. Hist. Nat. Montevideo, Ser. 2, 8: 203-204. See also comment by De la Riva, Köhler, Lötters, and Reichle, 2000, Rev. Esp. Herpetol., 14: 51. Köhler, 2000, Bonn. Zool. Monogr., 48: 142-143, provided a brief account. Achaval and Olmos, 2003, Anf. Rept. Uruguay, ed. 2: 51, provided a brief account and photograph for the Uruguay population (as Elachistocleis ovale). López and Pelegrin, 2012, Check List, 8: 798-799, provided a range extension to Córdoba, Argentina, and commented on the range. Pereyra, Akmentins, Laufer, and Vaira, 2013, Zootaxa, 3694: 535, noted that the record for Tarija Province, southeastern Bolivia, is assignable to Elachistocleis haroi.  Allen, von May, Villacampa-Ortega, Burdekin, and Whitworth, 2014, Check List, 10: 388–391, suggested that records from southeastern Peru to northwestern Bolivia are referrable to Elachistocleis muiraquitan

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