Centrolenella oyampiensis Lescure, 1975, Bull. Soc. Zool. France, 100: 386. Holotype: MNHNP 1973.1673, by original designation. Type locality: "village Zidok (Haut-Oyapock), Guyane française".
Centrolenella ametarsia Flores, 1987, J. Herpetol., 21: 185. Holotype: MCZ 96522, by original designation. Type locality: "the headwaters of Río Caiwima, a tributary of the Río Amayaca-Yacu, ca. 70 km NNE Puerto Nariño, Amazonas, Colombia (approximately 3°20′S, 70°20′W)". Synonymy by Guayasamin, Cisneros-Heredia, and Castroviejo-Fisher, 2008, Zootaxa, 1815: 28.
Cochranella ametarsia — Ruiz-Carranza and Lynch, 1991, Lozania, 57: 21. Savage, 2002, Amph. Rept. Costa Rica: 365.
Cochranella oyampiensis — Ruiz-Carranza and Lynch, 1991, Lozania, 57: 22.
Vitreorana oyampiensis — Guayasamin, Castroviejo-Fisher, Trueb, Ayarzagüena, Rada, and Vilà, 2009, Zootaxa, 2100: 39.
Zidok Cochran Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 47).
Headwater Cochran Frog (Cochranella ametarsia [no longer recognized]: Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 46).
Known from the type locality in French Guiana, two localities in the Amazonian lowlands (below 300 m elevation) of Orellana Province, eastern Ecuador; and one locality in Amazonian Peru (Loreto); southern Guyana, eastern Surinam, and French Guiana, south to central Amazonia near Manaus, Brazil.
In the Cochranella ocellata group according to Ruiz-Carranza and Lynch, 1991, Lozania, 57: 1-30. Lescure and Marty, 2000, Collect. Patrimoines Nat., Paris, 45: 72-73, provided a brief account and photo. Placed in the Cochranella spinosa group by Savage, 2002, Amph. Rept. Costa Rica: 365. Zimmerman and Rodrigues, 1990, in Gentry (ed.), Four Neotropical Rainforests: 426-454, provided the first central Brazilan Amazonia record for this species, near Manaus. See comment under Cochranella helenae. Torres-Gastello, Suárez-Segovia, and Cisneros-Heredia, 2007, J. Natl. Mus. Prague, Nat. Hist. Ser., 176: 11, provided a record (as Cochranella ametarsia) for Peru. Lynch, 2005, Rev. Acad. Colomb. Cienc. Exact. Fis. Nat., 29: 581-588, reported this species from the region of Leticia, Colombia. Señaris and Ayarzagüena, 2005, Rev. Taxonom. Fam. Centrolenidae de Venezuela: 121-131, provided a review of the morphology, natural history, and range of this species (as Cochranella oyampiensis). See account by Guayasamin, Cisneros-Heredia, and Castroviejo-Fisher, 2008, Zootaxa, 1815: 28-32. Kok and Castroviejo-Fisher, 2008, Zootaxa, 1680: 25-53, transferred this species to the Cochranella spinosa group and noted that populations formerly associated with Cochranella oyampiensis from Venezuela are properly associated with Cochranella helenae. See comment under Vitreorana ritae. See account for Surinam population by Ouboter and Jairam, 2012, Amph. Suriname: 76-77.
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