. Bulletin - United States National Museum. Science. 78 NATIONAL MUSEUM BULLETIN 2 88 1920. Engystoma ovale concolor.—Miranda-Ribeiro, 1920a, p. 284 (type locality, Ypiranga); 1926, p. 184. 1920. Engystoma ovale lineala.—Miranda-Ribeiro, 1920a, p. 2S4 (type locality, R. da Serra, Sao Paulo). 1920. Engystoma ovale caesarii.—Miranda-Ribeiro, 1920a, p. 284 (type localities, Piquete, Os Perus, Alto da Serra [Sao Paulo], Cubatao [Santos], and Ypiranga). 1920. Engystoma caesarii mottae Miranda-Ribeiro (nom. nud.), 1920a, p. 284 (type locality, Sao Paulo), 1926, p. 194. 1922. Gastrophryne ovale,
. Bulletin - United States National Museum. Science. 78 NATIONAL MUSEUM BULLETIN 2 88 1920. Engystoma ovale concolor.—Miranda-Ribeiro, 1920a, p. 284 (type locality, Ypiranga); 1926, p. 184. 1920. Engystoma ovale lineala.—Miranda-Ribeiro, 1920a, p. 2S4 (type locality, R. da Serra, Sao Paulo). 1920. Engystoma ovale caesarii.—Miranda-Ribeiro, 1920a, p. 284 (type localities, Piquete, Os Perus, Alto da Serra [Sao Paulo], Cubatao [Santos], and Ypiranga). 1920. Engystoma caesarii mottae Miranda-Ribeiro (nom. nud.), 1920a, p. 284 (type locality, Sao Paulo), 1926, p. 194. 1922. Gastrophryne ovale,—Ruthven, 1922, p. 51. 1926. Engystoma ovalis.—Nieden, 1926, p. 66. 1927. Elachistocleis ovale ovale.—Parker, 1927a, p. 4. 1929. Elachistocleis ovale.—Mertens, 1929, p. 286.—Dunn, 1931, p. 416. 1930. Elachistocleis ovalis.—Mertens, 1930, p. 163.—Crawford, 1931, p. 38. Parker, 1934, p. 121.—Myers, 1942, p. 155.—Dunn, 1944, p. 524; 1949, p. 13.—Carvalho, 1954, p. 15.—Rivero, 1961, p. 177; 1964a, p. 304.— Gorham, 1963, p. 26. Diagnosis.—A microhylid with the tympanum concealed, clavicles and procoracoids present but short and curved, posterior portion of the prevomer absent, palatine bones absent, and snout very pointed. The presence of clavicles and procoracoids separates Elachistocleis ovalis from species in the genera Ctenophryne and Glossostoma, while the concealed tympanum and the fact that the clavicles and pro- coracoids are short and strongly curved separate it from species of Otophryne. From Relictivomer pearsei it may be distinguished by having the belly dark with isolated light spots on the anterior face of the. Figure 2.—Elachistocleis ovalis, FM 266 (same size).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution;
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