Potamotyphlus kaupii (Berthold, 1859)

Class: Amphibia > Order: Gymnophiona > Family: Typhlonectidae > Genus: Potamotyphlus > Species: Potamotyphlus kaupii

Caecilia kaupii Berthold, 1859, Nachr. Ges. Wiss. Göttingen, 1859: 181. Holotype: ZFMK 27684, according to Böhme and Bischoff, 1984, Bonn. Zool. Monogr., 19: 184. Type locality: "Angostura", Ciudad Bolívar, Venezuela.

Caecilia dorsalis Peters, 1877, Monatsber. Preuss. Akad. Wiss. Berlin, 1877: 459. Holotype: ZMB 9092, according to Bauer, Good, and Günther, 1993, Mitt. Zool. Mus. Berlin, 69: 287. Type locality: "Angostura (Ciudad Dolivar [= Ciudad Bolívar]), am Orinoco", Venezuela. Synonymy by Boulenger, 1891, Ann. Mag. Nat. Hist., Ser. 6, 8: 457.

Typhlonectes dorsalisPeters, 1880 "1879", Monatsber. Preuss. Akad. Wiss. Berlin, 1879: 941.

Thyphlonectes dorsalisFuhrmann, 1914, Mem. Soc. Neuchatel. Sci. Nat., 5: 113, 124.

Chthonerpeton microcephalum Miranda-Ribeiro, 1937, O Campo, 8: 66. Syntypes: Not stated; MNRJ 539 listed as "Tipo" (presumably holotype) by P. Miranda-Ribeiro, 1955, Arq. Mus. Nac., Rio de Janeiro, 42: 407. Type locality: "Matto-Grosso", Brazil; given as "provàlvelmente na parte norte do então Estado de Mato Grosso na região hoje abrangida pelo Território Federal de Rondônia", Brazi, by Bokermann, 1966, Lista Anot. Local. Tipo Anf. Brasil.: 11. Synonymy by Dunn, 1942, Bull. Mus. Comp. Zool., 91: 437-540.

Typhlonectus kaupiiGinés, 1959, Mem. Soc. Cienc. Nat. La Salle, 19: 98.

Potomotyphlus melanochrus Taylor, 1968, Caecilians of the World: 263. Holotype: NHMW 9147, by original designation. Type locality: "Brasil". Synonymy by Nussbaum and Wilkinson, 1989, Herpetol. Monogr., 3: 38. Incorrect spelling of the the generic name, corrected in errata sheet.

Potomotyphlus kaupiiTaylor, 1968, Caecilians of the World: 257. Incorrect spelling of the the generic name, corrected in errata sheet distributed with the volume. 

English Names

Kaup's Caecilian (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 26).


Amazon and Orinoco drainage systems of South America: Brazil (states of Acre, Amapá, Amazonas, Goiás, Pará and Roraima), Colombia, Ecuador, French Guiana, Peru and Venezuela (states of Amazonas, Bolívar, and Delta Amacuro); presumably expected in Surinam, Guyana, and northern Bolivia.


Marty, Ravel, Bordage, and Lescure, 2007, Bull. Soc. Herpetol. France, 121: 35-38, reported the species in French Guiana. Lynch, 2000 "1999", Rev. Acad. Colomb. Cienc. Exact. Fis. Nat., 23: 334, mapped distribution in Colombia. Taylor and Peters, 1974, Univ. Kansas Sci. Bull., 50: 337, commented on the single Ecuadorian specimen known at the time from Pucayacú, Pastaza Province. Cintra, Silva, Gonçalves, and Silva, 2010, Herpetol. Rev., 41: 242, provided a record for the state of Maranhão, Brazil. Maciel and Hoogmoed, 2011, Zootaxa, 2984: 33-38, provided a detailed account and spot map. See Barrio-Amorós, Rojas-Runjaic, and Señaris, 2019, Amph. Rept. Conserv., 13 (1: e180): 135, for comments on range and literature. Ledesma, 2019, Cat. Am. Amph. Rept., 924: 1–23, reviewed the literature and range of the genus and species. Señaris and Rojas-Runjaic, 2020, in Rull and Carnaval (eds.), Neotrop. Divers. Patterns Process.: 571–632, commented on range and conservation status in the Venezuelan Guayana. Vaz-Silva, Maciel, Nomura, Morais, Guerra Batista, Santos, Andrade, Oliveira, Brandão, and Bastos, 2020, Guia Ident. Anf. Goiás e Dist. Fed. Brasil Central: 185, provided an account for Goiás, Brazil.    

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