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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: March 2nd, 2024.


Taxonomy of the family Boidae
Bibliography of the genus Eunectes
Biodiversity of the family Boidae








Genus
Eunectes

Anacondas

Anakondas

Anakondaer

1763 Scytale Gronovius (type species: Boa scytale Linnaeus 1758)
1830 Eunectes Wagler (type species: Boa scytale Linnaeus 1758)
Contents: 4 species, of which 1 (25.0%) is endemic.
Endemism: 0% 100%
Distribution: South America.
Reported from: Argentina, Bolivia, Brazil (Acre, Amapa, Amazonas, Bahia, Ceara, Distrito Federal, Goias, Maranhao, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Para [incl. Marajo Island], Parana, Pernambuco, Piaui, Rio de Janeiro, Rio Grande do Sul, Rondonia, Roraima, Santa Catarina, Sao Paulo, Sergipe), Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Surinam, Trinidad & Tobago (Trinidad), Uruguay, Venezuela.

Eunectes beniensis

Bolivian Anaconda

Beni-Anakonda

Boliviansk Anaconda

2002 Eunectes beniensis Dirksen

Remarks: Rivas, Quintana, Mancuso, Pacheco, Rivas, Mariotto, Salazar-Valenzuela, Baihua, Baihua, Burghardt, Vonk, Hernandez, García-Pérez, Fry & Corey-Rivas (2024) regarded beniensis as a synonym of notaeus, however, this was refuted by Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron (2024).
Distribution: Bolivia.


Eunectes deschauenseei

Dark-spotted Anaconda, Marajo Island Boa

De Schauensees Anakonda

Mørkplettet Anaconda

1936 Eunectes deschauenseei Dunn & Conant

Remarks: Rivas, Quintana, Mancuso, Pacheco, Rivas, Mariotto, Salazar-Valenzuela, Baihua, Baihua, Burghardt, Vonk, Hernandez, García-Pérez, Fry & Corey-Rivas (2024) regarded deschauenseei as a synonym of notaeus, however, this was refuted by Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron (2024).
Distribution: Brazil (Amapa, Para [incl. Marajo Island]), French Guiana.


Eunectes murinus

Green Anaconda, Water Boa

Grosse Anakonda, Grüne Anakonda

Grøn Anakonda, Vandboa, Vandkvæler

1758 Boa murina Linnaeus
Eunectes murinus Wagler 1830
1801 Boa gigas Latreille in Sonnini & Latreille (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024)
Eunectes murinus gigas Dunn & Conant 1936
1803 Boa anacondo Daudin (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024)
1825 Boa aquatica Wied-Neuwied (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024)
1936 Eunectes barbouri Dunn & Conant (syn. Strimple, Puorto, Holmstrom, Henderson & Conant 1997; Dirksen & Böhme 1998; Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024)
2024 Eunectes akayima Rivas, Quintana, Mancuso, Pacheco, Rivas, Mariotto, Salazar-Valenzuela, Baihua, Baihua, Burghardt, Vonk, Hernandez, García-Pérez, Fry & Corey-Rivas (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024)

Remarks: A record from Rio de Janeiro (Dirksen 2002) is regarded as doubtful. The species was not listed for the state by Costa & Bérnils (2018), nor by Oliveira, Gonzalez, Passos, Vrcibradic & Rocha (2020).
Introduced to: USA (Florida).
Distribution: Bolivia, Brazil (Acre, Amapa, Amazonas, Bahia, Ceara, Distrito Federal, Goias, Maranhao, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Para [incl. Marajo Island], Parana, Piaui, Rondonia, Roraima, Sao Paulo, Sergipe, Tocantins), Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Surinam, Trinidad & Tobago (Trinidad), Venezuela.


Eunectes murinus
© Rune Midtgaard

Eunectes notaeus

Yellow Anaconda, Paraguay Anaconda

Gelbe Anakonda, Paraguay-Anakonda

Gul Anakonda

1862 Eunectes notaeus Cope
1903 Epicrates wieningeri Steindachner (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024)

Remarks: The single record from Rio Grande do Sul, Brazil, may represent a snake which had been transported from Argentina by the Uruguay River (Dirksen 2001).
Introduced to: Puerto Rico, USA (Florida).
Distribution: Argentina, Bolivia, Brazil (Mato Grosso, Mato Grosso do Sul, Parana, Rio Grande do Sul), Paraguay, Uruguay.


Eunectes notaeus
© Rune Midtgaard