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© Rune Midtgaard


Taxonomy of the family Colubridae
Bibliography of the genus Dipsas
Biodiversity of the family Colubridae








Genus
Dipsas

Neotropical Snail Eaters, Middle American Snail Eaters, Neotropical Snail Suckers, Neotropical Slug Eaters, American Snail Suckers, Thirst Snakes

Amerikanische Schneckennattern, Dickkopfnattern

Neotropiske Sneglesnoge

1768 Dipsas Laurenti (type species: Dipsas indica Laurenti 1768)
1843 Pholidolaemus Fitzinger (type species: Coluber bucephalus Shaw 1802)
1843 Sibynomorphus Fitzinger (type species: Dipsas mikanii Schlegel 1837; syn. Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018)
1854 Anholodon Dumeril, Bibron & Dumeril (type species: Dipsas mikanii Schlegel 1837; syn. Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018)
1854 Cochliophagus Dumeril, Bibron & Dumeril (type species: Cochliophagus inaequifasciatus Dumeril, Bibron & Dumeril 1854; syn. Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018)
1854 Dipsadomorus Dumeril, Bibron & Dumeril (type species: Dipsas indica Laurenti 1768)
1854 Leptognathus Dumeril, Bibron & Dumeril (type species: Dipsas pavonina Schlegel 1837)
1895 Neopareas Günther (type species: Neopareas bicolor Günther 1895)
1896 Pseudopareas Boulenger (type species: Leptognathus vagus Jan 1863; syn. Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018)
1923 Heterorhachis Amaral (type species: Heterorhachis poecilolepis Amaral 1923)
Contents: 54 species, of which 27 (50.0%) are endemic.
Endemism: 0% 100%
Other common names:
South American Slug Eaters (Sibynomorphus)
Remarks: Includes Sibynomorphus, until recently regarded as a separate genus (Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018). Previously included Plesiodipsas perijanensis.
Distribution: Mexico, Central America, South America.
Reported from: Argentina, Belize, Bolivia, Brazil (Acre, Alagoas, Amapa, Amazonas, Bahia, Ceara, Distrito Federal, Espirito Santo, Goias, Maranhao, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Para, Paraiba, Parana, Pernambuco, Piaui, Rio de Janeiro [incl. Ilha Grande Island], Rio Grande do Norte, Rio Grande do Sul, Rondonia, Roraima, Santa Catarina, Sao Paulo [incl. Sao Sebastiao], Sergipe, Tocantins), Colombia, Costa Rica, Ecuador, French Guiana, Guatemala, Guyana, Honduras, Mexico (Campeche, Colima, Guerrero, Jalisco, Michoacan, Quintana Roo, Tabasco, Yucatan), Nicaragua, Panama, Paraguay, Peru, Surinam, Trinidad & Tobago (Trinidad), Uruguay, Venezuela.

Dipsas albifrons

White-fronted Snail Eater

Weißstirn-Schneckennatter

Hvidpandet Sneglesnog

1884 Dipsadomorphus albifrons Sauvage
Leptognathus albifrons Boulenger 1896
Dipsas albifrons Mocquard in Duméril & Bocourt 1908
Cochliophagus albifrons Ihering 1911
1950 Dipsas albifrons cavalheiroi Hoge (Passos, Fernandes & Porto 2005)

Remarks: Also recorded from "Mato Grosso" (Peters 1960; Peters & Orejas-Miranda 1970), but without exact locality, so the specimen may have come from any of today's states Rondonia, Mato Grosso, or Mato Grosso do Sul. Presence in any of these states needs confirmation. Provisionally included for Pernambuco on the basis of Costa & Bérnils (2018), however, these authors did not list any localities. Pernambuco is far to the north of the nearest other localities recorded for the species (Passos, Fernandes & Porto 2005; Ribeiro Dias, Souza Costa, Solé & Argôlo 2018; Silveira, Ribeiro, Dornas & Fernandes 2018).
Distribution: Brazil (Bahia, Espirito Santo, Minas Gerais, Parana, Rio de Janeiro [incl. Ilha Grande Island], Santa Catarina, Sao Paulo [incl. Sao Sebastiao]).


Dipsas alternans

Santos Snail Eater

Santos-Schneckennatter

Santos-sneglesnog

1885 Leptognathus alternans Fischer
Cochliophagus alternans Ihering 1911
Sibynomorhus alternans Amaral 1925
Dipsas alternans Passos, Fernandes & Caramaschi 2004

Remarks: Previously regarded as a synonym of incerta (e.g., Peters 1960, 1965). Revalidated by Passos, Fernandes & Caramaschi (2004).
Distribution: Brazil (Alagoas, Espirito Santo, Minas Gerais, Parana, Rio de Janeiro [incl. Ilha Grande Island], Rio Grande do Sul, Santa Catarina, Sao Paulo [incl. Sao Sebastiao]).


Dipsas andiana

Andean Snail Eater

Andes-Schneckennatter

Andes-sneglesnog

1896 Leptognathus andiana Boulenger
Sibynomorphus andiana Parker 1926
Dipsas andiana Cadle & Myers 2003

Remarks: Previously regarded as a synonym of oreas (e.g., Peters 1965). Revalidated by Cadle & Myers (2003). Previously recorded from Ecuador as nicholsi (Cadle & Myers 2003).
Distribution: Ecuador.


Dipsas articulata

Veraguas Snail Eater, Lower Central American Snake Eater

Veraguas-Schneckennatter

Veraguas-sneglesnog

1860 Dipsas brevis Cope [not Leptognathus brevis Dumeril, Bibron & Dumeril 1854]
1868 Leptognathus articulata Cope
Dipsas articulata Parker 1926

Distribution: Costa Rica, Nicaragua, Panama.


Dipsas baliomelas

Macarena Mountains Snail Eater

Macarena-Schneckennatter

Macarena-sneglesnog

2008 Dipsas baliomelas Harvey

Distribution: Colombia.


Dipsas bicolor

Bicolored Snail Eater

Zweifarbige Schneckennatter

Tofarvet Sneglesnog

1895 Neopareas bicolor Günther
Dipsas bicolor Parker 1926
1954 Neopareas tricolor Brattstrom in Howell (Peters 1965)

Remarks: Records from Peru (Espinoza & Icochea 1995; Lehr 2001) are likely based on misidentified gracilis (Harvey 2008). Solórzano (2004) considered bicolor a synonym of articulata.
Distribution: Costa Rica, Honduras, Nicaragua.


Dipsas bobridgelyi

El Oro Snail Eater, (Bob Ridgely's Snail Eater)

El-Oro-Schneckennatter

El Oro-sneglesnog

2018 Dipsas bobridgelyi Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal

Distribution: Ecuador, Peru.





Dipsas bothropoides

Serra do Cariri Snail Eater

Cariri-Schneckennatter

Cariri-sneglesnog

2020 Dipsas bothropoides Mebert, Passos, Fernandes, Entiauspe-Neto, Alvez, Machado & Lopes

Distribution: Brazil (Bahia, Minas Gerais).





Dipsas brevifacies

Short-faced Snail Eater, Snail-eating Thirst Snake

Zentralamerikanische Kurzkopf-Schneckennatter

Centralamerikansk Kortsnudet Sneglesnog

1866 Tropidodipsas brevifacies Cope
Leptognathus brevifacies Mocquard 1908
Sibon brevifacies Smith 1943
Dipsas brevifacies Peters 1960
1884 Dipsadomorphus fasciatus Bocourt (Boulenger 1896; Peters 1965)
1885 Leptognathus torquatus Cope [substitute name for Dipsadomorphus fasciatus Bocourt 1884] (Peters 1965)

Distribution: Belize, Guatemala, Mexico (Campeche, Quintana Roo, Tabasco, Yucatan).


Dipsas bucephala

Bull Snail Eater, (Large-headed Snail Eater)

Bullen-Schneckennatter

Tyre-sneglesnog

1802 Coluber bucephalus Shaw
Dipsas bucephala Boulenger 1896
Dipsas indica bucephala Peters 1960
1885 Leptognathus cisticeps Boettger (Harvey & Embert 2008)
Dipsas cisticeps Bertoni 1914
Dipsas indica cisticeps Peters 1960
Dipsas bucephala cisticeps Harvey & Embert 2008

Other common names:
cisticeps: Box-headed Snail Eater
Remarks: Revalidated as a separate species by Harvey & Embert (2008). Status of cisticeps is uncertain (Harvey & Embert 2008), but treated as a valid species by some authors (e.g., Cacciali 2008; Cacciali, Scott, Aquino-Ortiz, Fitzgerald & Smith 2016). It is provisionally retained herein as a subspecies of bucephala, pending further studies.
Distribution: Argentina, Bolivia, Brazil (Bahia, Goias, Mato Grosso, Parana, Sao Paulo), Paraguay.


Dipsas catesbyi

Ornate Snail Eater, Brown-saddled Snake

Pracht-Schneckennatter

Pragt-sneglesnog

1796 Coluber catesbeji Sentzen
Dipsas catesbyi Boie 1827
Stremmatognathus catesbyi Duméril, Bibron & Duméril 1854
Leptognathus catesbyi Gunther 1858
Colchliophagus catesbyi Berg 1901
Sibynomorphus catesbeji [sic] Barbour & Noble 1920
1947 Sibynomorphus macedoi Prado & Hoge (Peters 1965)

Remarks: Wallach, Williams & Boundy (2014) noted that the original spelling of the specific epithet, catesbeji, was not a typographical error, for which reason this spelling should be reintroduced. For conservative reasons, the much more frequently used spelling, catesbyi, is retained herein. Records from Espirito Santo (e.g., Tonini, Carao, Pinto, Gasparini, Leite & Costa 2010) are are based on specimens actually originating from Amapa. However, it is not unlikely that the species may prove to exist in Espirito Santo (Costa & Bérnils 2018).
Distribution: Bolivia, Brazil (Acre, Amapa, Amazonas, Bahia, Maranhao, Mato Grosso, Para, Rondonia, Roraima, Tocantins), Colombia, Ecuador, French Guiana, Guyana, Peru, Surinam, Venezuela.


Dipsas chaparensis

Chapare Snail Eater

Chapare-Schneckennatter

Chapare-sneglesnog

1992 Dipsas chaparensis Reynolds & Foster

Distribution: Bolivia.


Dipsas copei

Guianan Snail Eater

Guiana-Schneckennatter

Guiana-sneglesnog

1872 Leptognathus copei Günther
Dipsas copei Peters 1960

Remarks: Passos, Fernandes & Caramaschi (2004) synonymized copei with incerta, however, Harvey (2008) claimed that both forms are valid species.
Distribution: Brazil (Roraima), French Guiana, Guyana, Surinam, Venezuela.


Dipsas elegans

Elegant Snail Eater

Oaxaca-Schneckennatter

Oaxaca-sneglesnog

1896 Leptognathus elegans Boulenger
Sibynomorphus elegans Amaral 1926
Dipsas elegans Parker 1926
Dipsas oreas elegans Orcés & Almendáriz 1987

Remarks: Previously considered a subspecies of oreas. Revalidated as a separate species by Cadle (2005). Previously included ellipsifera. Erroneously recorded from Mexico (Flores-Villela 1993).
Distribution: Ecuador.


Dipsas ellipsifera

Ibarra Snail Eater

Ibarra-Schneckennatter

Ibarra-sneglesnog

1898 Leptognathus ellipsifera Boulenger
Sibynomorphus ellipsifer Amaral 1930
Dipsas ellipsifera Peters 1960
Dipsas oreas ellipsifera Orcés & Almendáriz 1987

Remarks: Regarded as a synonym of elegans by Kofron (1982). Revalidated as a separate species by Cadle (2005).
Distribution: Ecuador.


Dipsas gaigeae

Colima Snail Eater, (Gaige's Snail Eater, Gaige's Thirst Snake)

Colima-Schneckennatter

Colima-sneglesnog

1937 Sibynomorphus gaigeae Oliver
Dipsas gaigeae Smith & Taylor 1945

Distribution: Mexico (Colima, Guerrero, Jalisco, Michoacan).


Dipsas georgejetti

Manabí Snail Eater, (George Jett's Snail Eater)

Manabí-Schneckennatter

Manabí-sneglesnog

2018 Dipsas georgejetti Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal

Distribution: Ecuador.





Dipsas gracilis

Graceful Snail Eater

Venus-Schneckennatter

Venus-sneglesnog

1902 Leptognathus gracilis Boulenger
Dipsas gracilis Peters 1960
1920 Leptognathus hammondii Boulenger (Peters 1965)
1925 Sibynomorphus macrostomus Amaral (Peters 1965)

Remarks: Possibly a synonym of viguieri (Harvey 2008).
Distribution: Colombia, Ecuador, Peru.


Dipsas inaequifasciata

Odd-banded Slug Eater

Ungleichbändige Schneckennatter

Uensskællet Sneglesnog

1854 Cochliophagus inaequifasciatus Dumeril, Bibron & Dumeril
Sibynomorphus inaequifasciatus Peters 1960
Dipsas inaequifasciata Midtgaard 2019

Remarks: Status uncertain. The identity of this taxon cannot be determined from the original description, and the holotype is lost. Records from Paraguay refer to turgida (Cacciali, Scott, Aquino-Ortíz, Fitzgerald & Smith 2016).
Distribution: Unknown.


Dipsas incerta

South American Banded Snail Eater

Südamerikanische Gebänderte Schneckennatter

Sydamerikansk Båndet Sneglesnog

1863 Leptognathus incertus Jan
Cochliophagus incertus Ihering 1911
Sibynomorphus incertus Amaral 1923
Dipsas incerta Parker 1935
1923 Sibynomorphus barbouri Amaral (Passos, Fernandes & Caramaschi 2004)
1923 Sibynomorphus garbei Amaral (Passos, Fernandes & Caramaschi 2004)

Remarks: Previously included alternans and copei. The latter was synonymized with incerta by Passos, Fernandes & Caramaschi 2004, but subsequently revalidated by Harvey (2008). Records from Roraima, Brazil, (e.g. Passos, Fernandes & Caramaschi 2004; Fernandes, Marques & Argôlo 2010; Costa & Bérnils 2018) refer to copei (Reptile Database, viewed 26 February, 2021). Records from the east coast of Brazil refer to alternans. Passos, Fernandes & Caramaschi (2004) included Guyana in the distribution of incerta, based on literature records, but Cole, Townsend, Reynolds, MacCulloch & Lathrop (2013) did not list the species for the country.
Distribution: French Guiana, Guyana, Surinam.


Dipsas indica

Big-headed Snail Eater, Neotropical Snail Eater

Großköpfige Schneckennatter

Storhovedet Sneglesnog

1768 Dipsas indica Laurenti
1960 Dipsas indica ecuadorensis Peters

Other common names:
ecuadorensis: Ecuadorian Big-headed Snail Eater
indica: Amazonian Big-headed Snail Eater
Remarks: Previously included bucephala and petersi.
Distribution: Bolivia, Brazil (Amapa, Amazonas, Bahia, Mato Grosso, Para [incl. Marajo Island], Rondonia, Roraima), Colombia, Ecuador, French Guiana, Guyana, Peru, Surinam, Venezuela.


Dipsas jamespetersi

Zhila Slug Eater

Zhila-Schneckennatter

Zhila-sneglesnog

1989 Sibynomorphus petersi Orces & Almendariz [not Dipsas indica petersi Hoge & Romano 1976]
2018 Dipsas jamespetersi Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal [replacement name for Sibynomorphus petersi Orces & Almendariz 1989]

Distribution: Ecuador.


Dipsas klebbai

Napo Snail Eater, (Klebba's Snail Eater)

Napo-Schneckennatter

Napo-sneglesnog

2018 Dipsas klebbai Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal

Distribution: Ecuador.





Dipsas latifrontalis

Broad-fronted Snail Eater

Mérida-Schneckennatter

Mérida-sneglesnog

1905 Leptognathus latifrontalis Boulenger
Sibynomorphus latifrontalis Amaral 1930
Dipsas latifrontalis Peters 1960

Remarks: Previously regarded as a synonym of peruana (e.g., Harvey & Embert 2008). Revalidated as a separate species by Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal (2018), although considered as such already by some others (e.g., Mumaw, González & Fernández 2015).
Distribution: Colombia, Venezuela.





Dipsas lavillai

Argentine Slug Eater

Argentinische Schneckennatter

Argentinsk Sneglesnog

1993 Sibynomorphus lavillai Scrocchi, Porto & Rey
Dipsas lavillai Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018

Distribution: Argentina, Bolivia, Brazil (Mato Grosso do Sul), Paraguay.


Dipsas maxillaris

Tabasco Snail Eater, (Werner's Snail Eater, Werner's Thirst Snake)

Tabasco-Schneckennatter

Tabasco-sneglesnog

1909 Leptognathus maxillaris Werner
Dipsas maxillaris Smith & Taylor 1945

Remarks: Status uncertain, could be a synonym of elegans (Kofron 1982), but the taxonomic status cannot be resolved due to the poor condition of the type (Frost 2007). The species has been included for Mexico in some lists (e.g., Liner 2007), based on the type locality (Tabasco, Mexico), but it is most likely a South American form (Flores-Villela 1993; Frost 2007).
Distribution: Unknown (see remarks).


Dipsas mikanii

Brazilian White-collared Slug Eater

Weißhals-Schneckennatter

Hvidhalset Sneglesnog

1837 Dipsas mikanii Schlegel
Sibynomorphus mikanii Fitzinger 1843
Anholodon mikanii Duméril & Bibron 1854
Leptognathus mikanii Günther 1858
1887 Leptognathus garmani Cope (Peters 1965)
1980 Sibynomorphus mikani septentrionalis Da Cunha, Do Nascimento & Hoge

Remarks: Previously included neuwiedi. Not listed for Rio de Janeiro by Oliveira, Gonzalez, Passos, Vrcibradic & Rocha (2020).
Distribution: Argentina, Brazil (Alagoas, Bahia, Distrito Federal, Espirito Santo, Goias, Maranhao, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Para, Paraiba, Parana, Pernambuco, Piaui, Rio Grande do Norte, Sao Paulo, Tocantins), Paraguay.


Dipsas neuwiedi

Brazilian Banded Slug Eater

Brasilianische Gebänderte Schneckennatter

Brasiliansk Båndet Sneglesnog

1910 Cochliophagus mikani neuwiedi Ihering
Sibynomorphus mikani neuwiedi Peters 1960
Sibynomorphus neuwiedi Bernils, Batista & Bertelli 2001
Dipsas neuwiedi Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018
1930 Sibynomorphus mikanii fasciatus Amaral (Peters 1965)

Remarks: Previously regarded as a subspecies of mikanii.
Distribution: Brazil (Alagoas, Bahia, Espirito Santo, Minas Gerais, Paraiba, Parana, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, Sao Paulo [incl. Sao Sebastiao], Sergipe).


Dipsas nicholsi

Panamanian Snail Eater

Panamaische Schneckennatter

Panamansk Sneglesnog

1933 Sibynomorphus nicholsi Dunn
Sibon nicholsi Dunn 1940
Dipsas nicholsi Smith 1958
Dipsas variegata nicholsi Peters 1960

Remarks: Revalidated as a separate species by Cadle & Myers (2003). Records of this species from Ecuador refer to andiana (Cadle & Myers 2003).
Distribution: Panama.


Dipsas oligozonata

Azuay Slug Eater

Azuay-Schneckennatter

Azuay-sneglesnog

1989 Sibynomorphus oligozonatus Orces & Almendariz
Dipsas oligozonata Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018

Distribution: Ecuador.


Dipsas oneilli

Peruvian Amazon Slug Eater

Ostperuvianische Schneckennatter

Østperuviansk Sneglesnog

1979 Sibynomorphus oneilli Rossman & Thomas
Dipsas oneilli Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018

Distribution: Peru.


Dipsas oreas

Quito Snail Eater, Ecuadorian Montane Snail Eater

Quito-Schneckennatter

Quito-sneglesnog

1868 Leptognathus oreas Cope
Sibynomorphus mikanii oreas Amaral 1929
Dipsas mikanii oreas Parker 1934
Dipsas oreas Peters 1960
1884 Leptognathus andrei Sauvage (Kofron 1982b)
1923 Leptognathus robusta Müller (Harvey & Embert 2008)

Remarks: Previously included elegans and ellipsifera. Vanzolini (1986) erroneously listed Leptognathus andrei as a synonym of Sibynomorphus mikani.
Distribution: Ecuador, Peru.


Dipsas oswaldobaezi

Loja Snail Eater, (Oswaldo Báez's Snail Eater)

Loja-Schneckennatter

Loja-sneglesnog

2018 Dipsas oswaldobaezi Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal

Distribution: Ecuador, Peru.





Dipsas pakaraima

Pakaraima Mountains Snail Eater

Pakaraima-Schneckennatter

Pakaraima-sneglesnog

2004 Dipsas pakaraima MacCulloch & Lathrop

Distribution: Guyana.


Dipsas palmeri

Tungurahua Snail Eater, (Palmer's Snail Eater)

Tungurahua-Schneckennatter

Tungurahua-sneglesnog

1912 Leptognathus palmeri Boulenger
Sibynomorphus palmeri Amaral 1930
Dipsas palmeri Parker 1934
1913 Leptognathus latifasciatus Boulenger (Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018)
Sibynomorphus latifasciatus Dunn 1923
Dipsas latifasciata Peters 1960

Other common names:
latifasciatus: Striped Snail Eater
Remarks: Previously regarded as a synonym of peruana (e.g., Harvey & Embert 2008). Revalidated as a separate species by Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal (2018).
Distribution: Ecuador, Peru.





Dipsas pavonina

Northern Snail Eater

Nördliche Schneckennatter

Nordlig Sneglesnog

1837 Dipsas pavonina Schlegel
Leptognathus pavoninus Duméril, Bibron & Duméril 1854
Cochliophagus pavoninus Ihering 1910
Sibynomorphus pavoninus Amaral 1926

Distribution: Bolivia, Brazil (Amazonas, Maranhao, Mato Grosso, Para, Rondonia, Roraima), Colombia, Ecuador, French Guiana, Guyana, Peru, Surinam, Venezuela.


Dipsas peruana

Peruvian Snail Eater

Peruvianische Schneckennatter

Peruviansk Sneglesnog

1898 Leptognathus peruana Boettger
Sibynomorphus peruanus Barbour & Noble 1920
Sibynomorphus mikanii peruanus Amaral 1930
Dipsas mikanii peruanus Schmidt & Walker 1943
Dipsas peruana Peters 1960
1901 Leptognathus boettgeri Werner (Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018)
Dipsas boettgeri Peters 1960
1909 Leptognathus boliviana Werner (Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018)
Sibynomorphus bolivianus Amaral 1923
1912 Leptognathus polylepis Boulenger (Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018)
Tropidodipsas polylepis Amaral 1930
Dipsas polylepis Peters 1960

Other common names:
polylepis: Many-scaled Snail Eater
Remarks: Now restricted to Bolivia and Peru. Previously included latifrontalis and palmeri.
Distribution: Bolivia, Peru.


Dipsas petersi

São Paulo Snail Eater

São-Paulo-Schneckennatter

São Paulo-sneglesnog

1976 Dipsas indica petersi Hoge & Romano
Dipsas petersi Marques Sazima 2004

Remarks: Previously regarded as a subspecies of indica. Regarded as a separate species by Marques & Sazima (2004), followed by many others (e.g., Cicchi, Sena, Peccinini-Seale & Duarte 2007; Centeno Sawaya Marques 2008; Forlani, Bernardo, Haddad & Zaher 2010; Wallach, Williams & Boundy 2014). Not listed for Brazil by Nogueira & al. (2019).
Distribution: Brazil (Bahia, Espirito Santo, Parana, Rio de Janeiro [incl. Ilha Grande Island], Rio Grande do Sul, Santa Catarina, Sao Paulo [incl. Sao Sebastiao]).


Dipsas praeornata

Venezuelan Snail Eater

Venezuelanische Schneckennatter

Venezuelansk Sneglesnog

1909 Leptognathus praeornata Werner
Dipsas praeornata Harvey 2008

Remarks: Previously regarded as a synonym of incerta (e.g., Amaral 1929) and, more recently, latifrontalis (e.g., Peters 1960). Revalidated by Harvey (2008). Not listed for Venezuela by Mumaw, González & Fernández (2015).
Distribution: Venezuela.


Dipsas pratti

Colombian Snail Eater

Kolumbianische Schneckennatter

Colombiansk Sneglesnog

1897 Leptognathus pratti Boulenger
Dipsas pratti Parker 1926
1899 Leptognathus triseriatus Cope (Peters 1965)
1916 Leptognathus nigriceps Werner (Peters 1965)
1940 Dipsas niceforoi Prado (Peters 1965)
1941 Dipsas tolimensis Prado (Peters 1965)

Distribution: Colombia, Venezuela.


Dipsas sanctijoannis

Chocó Snail Eater, (Tropical Snail Eater)

Chocó-Schneckennatter

Chocó-sneglesnog

1911 Leptognathus sanctijoannis Boulenger
Leptognathus sanctijohannis [unjustified emendation] Werner 1916
Dipsas sanctijohannis Peters 1960
1941 Sibynomorphus caucanus Rendahl & Vestergren (Peters 1965)

Distribution: Colombia.


Dipsas sazimai

Atlantic Forest Snail Eater

Ostbrasilianische Schneckennatter

Østbrasiliansk Sneglesnog

2010 Dipsas sazimai Fernandes, Marques & Argôlo

Distribution: Brazil (Alagoas, Bahia, Espirito Santo, Pernambuco, Rio de Janeiro, Sao Paulo).


Dipsas schunkii

Chanchamayo Snail Eater

Chanchamayo-Schneckennatter

Chanchamayo-sneglesnog

1908 Leptognathus schunkii Boulenger
Dipsas schunkii Parker 1926
Dipsas schunkei [sic] Harvey 2008

Distribution: Peru.


Dipsas temporalis

Esmeraldes Snail Eater, Temporal Snail Eater

Esmeraldes-Schneckennatter

Esmeraldes-sneglesnog

1909 Leptognathus temporalis Werner
Sibon temporalis Dunn & Bailey 1939
Dipsas temporalis Peters 1960
1913 Leptognathus spurrelli Boulenger (Peters 1965; Harvey 2008)

Distribution: Colombia, Ecuador, Panama.


Dipsas tenuissima

Slender Snail Eater

Schlanke Schneckennatter

Slank Sneglesnog

1954 Dipsas tenuissima Taylor

Distribution: Costa Rica, Panama.


Dipsas trinitatis

Trinidad Snail Eater

Trinidad-Schneckennatter

Trinidad-sneglesnog

1926 Dipsas trinitatis Parker
Dipsas variegata trinitatis Peters 1960

Remarks: Revalidated as a separate species by Harvey & Embert (2008).
Distribution: Trinidad & Tobago (Trinidad).


Dipsas turgida

Bolivian Slug Eater, Bolivian Tree Snake

Bolivianische Schneckennatter

Boliviansk Sneglesnog

1868 Leptognathus turgida Cope
Sibynomorphus turgidus Amaral 1926
Dipsas turgida Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018
1874 Leptognathus atypicus Cope (Peters 1965)
1915 Tropidodipsas spilogaster Griffin (Peters 1965)

Distribution: Argentina, Bolivia, Brazil (Mato Grosso, Mato Grosso do Sul, Rio Grande do Sul), Paraguay, Uruguay.


Dipsas vaga

Huancabamba Slug Eater

Huancabamba-Schneckennatter

Huancabamba-sneglesnog

1863 Leptognathus vagus Jan
Sibynomorphus vagus Peters 1960
Dipsas vaga Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018

Distribution: Peru.


Dipsas vagrans

Cajamarca Slug Eater

Cajamarca-Schneckennatter

Cajamarca-sneglesnog

1923 Pseudopareas vagrans Dunn
Sibynomorphus vagrans Peters 1960
Dipsas vagrans Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018

Distribution: Peru.


Dipsas variegata

Many-banded Snail Eater, Variegated Snail Eater

Vielbändige Schneckennatter

Mangebåndet Sneglesnog

1854 Leptognathus variegatus Dumeril, Bibron & Dumeril
Dipsas variegata Gomes 1918
1926 Dipsas neivai Amaral (Harvey & Embert 2008)

Other common names:
neivai: Atlantic Many-banded Snail Eater
Remarks: Previously included nicholsi and trinitatis. Reviewed by Cadle & Myers (2003). Records from Colombia (e.g., Pérez-Santos & Moreno 1988) are erroneous (Cadle & Myers 2003). Records from Ecuador and Peru refer to other species, according to Cadle & Myers (2003), however, Harvey (2008) and Harvey & Embert (2008) listed specimens from Peru. Records from Trinidad refer to trinitatis. Wallach, Williams & Boundy (2014) treated neivai as a valid species, on the basis of Cicchi, Sena, Peccinini-Seale & Duarte (2007).
Distribution: Bolivia, Brazil (Alagoas, Amapa, Bahia, Espirito Santo, Maranhao, Mato Grosso, Minas Gerais, Para, Parana, Pernambuco, Rio de Janeiro, Rondonia, Santa Catarina, Sao Paulo [incl. Sao Sebastiao]), French Guiana, Guyana, Surinam, Trinidad & Tobago (Trinidad), Venezuela.


Dipsas ventrimaculata

Spot-bellied Slug Eater

Bauchflecken-Schneckennatter

Bugplettet Sneglesnog

1885 Leptognathus ventrimaculatus Boulenger
Sibynomorphus ventrimaculatus Amaral 1929
Dipsas ventrimaculata Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018
1903 Leptognathus intermedius Steindachner (Peters 1965)
1923 Heterorhachis poecilolepis Amaral (Fernandes, Porto & Caramaschi 1998)
Dipsas poecilolepis Peters 1960

Remarks: Presence in Uruguay needs confirmation (Achaval-Elena 2001). Not listed for Rio de Janeiro by Oliveira, Gonzalez, Passos, Vrcibradic & Rocha (2020).
Distribution: Argentina, Brazil (Goias, Mato Grosso do Sul, Minas Gerais, Parana, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, Sao Paulo), Paraguay.


Dipsas vermiculata

Vermiculate Snail Eater

Netz-Schneckennatter

Net-sneglesnog

1960 Dipsas vermiculata Peters

Distribution: Colombia, Ecuador, Peru.


Dipsas viguieri

Darien Snail Eater

Darien-Schneckennatter

Darien-sneglesnog

1884 Leptognathus viguieri Bocourt
Dipsas viguieri Parker 1926

Distribution: Panama.


Dipsas williamsi

Lima Slug Eater

Lima-Schneckennatter

Lima-sneglesnog

1974 Sibynomorphus williamsi Espinoza
Dipsas williamsi Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal 2018

Distribution: Peru.