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© Rune Midtgaard

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


Northern Snail Eaters*, False Middle American Snail Eaters, Neotropical Snail Suckers

Nördliche Schneckennattern*

Nordlige Sneglesnoge*

1858 Tropidodipsas Günther (type species: Tropidodipsas fasciata Günther 1858)
1863 Galedon Jan (type species: Galedon annularis Jan 1870)
1878 Tropidogeophis Müller (type species: Geophis annulatus Peters 1870)
1887 Dipeltophis Cope (type species: Leptognathus albocinctus Fischer 1885)
Contents: 7 species, of which 4 (57.1%) are endemic.
Remarks: Synonymized with Sibon by Kofron (1985), but revalidated as a separate genus by Wallach (1995).
Distribution: Mexico, Central America.
Reported from: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico (Campeche, Chiapas, Chihuahua, Colima, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico, Michoacan, Morelos, Nayarit [incl. Islas Marias (Maria Madre)], Nuevo Leon, Oaxaca, Puebla, Queretaro, Quintana Roo, San Luis Potosi, Sinaloa, Sonora, Tabasco, Tamaulipas, Veracruz, Yucatan), Nicaragua.

Tropidodipsas annulifera

West Mexican Snail Eater*, Western Snail Eater

Westmexicanische Schneckennatter*

Vestmexicansk Sneglesnog*

1894 Tropidodipsas annulifera Boulenger
Sibon annulifera Kofron 1985
1896 Geophis tecpanecus Dugès (Kofron 1985)
Geatractus tecpanecus Dugès 1898
1942 Tantilla nelsoni Slevin (Kofron 1985)
Exelencophis nelsoni Smith 1942
1959 Tropidodipsas malacodryas Shannon & Humphrey (Kofron 1985)

Distribution: Mexico (Colima, Guerrero, Jalisco, Michoacan, Nayarit [incl. Islas Marias (Maria Madre)], Sinaloa).

Tropidodipsas fasciata

Central American Banded Snail Eater

Zentralamerikanische Gebänderte Schneckennatter*

Centralamerikansk Båndet Sneglesnog*

1858 Tropidodipsas fasciata Günther
Leptognathus fasciatus Sumichrast 1880
Sibon fasciata Kofron 1985
1887 Leptognathus subannulatus Müller (Kofron 1985)
Tropidodipsas fasciata subannulata Alvarez del Toro & Smith 1956
1940 Tropidodipsas guerreroensis Taylor (Peters & Orejas-Miranda 1970)
Tropidodipsas fasciata guerreroensis Peters & Orejas-Miranda 1970
Sibon fasciata guerreroensis Kofron 1985

Other common names:
fasciata: Common Banded Snail Eater
guerreroensis: Guerreran Snail Eater
subannulata: Müller's Snail Eater
Distribution: Guatemala, Mexico (Campeche, Chiapas, Guerrero, Michoacan, Oaxaca, Quintana Roo, San Luis Potosi, Tamaulipas, Veracruz, Yucatan).

Tropidodipsas fischeri

Guatemalan Snail Eater*, (Fischer's Snail Eater)

Guatemalische Schneckennatter

Guatemalansk Sneglesnog

1885 Virginia fasciata Fischer [not Tropidodipsas fasciata Günther 1858]
1892 Tropidoclonium annulatum Bocourt [not Tropidodipsas annulatus Peters 1870]
1894 Tropidodipsas fischeri Boulenger
Sibon fischeri Kofron 1985
1942 Tropidodipsas kidderi Stuart (Kofron 1985)
Sibon fischeri kidderi Kofron 1985

Remarks: Status uncertain (Wallach 1995).
Distribution: El Salvador, Guatemala, Honduras, Mexico (Chiapas, Oaxaca).

Tropidodipsas philippii

Sinaloan Snail Eater*, (Philippi's Snail Eater)



1863 Leptognathus philippii Jan
Tropidodipsas philippii Boulenger 1894
Sibon philippi Kofron 1985
1885 Leptognathus albocinctus Fischer (Smith & Taylor 1945, Kofron 1985)
1937 Tropidodipsas occidentalis Oliver (Kofron 1985, 1987)
1959 Tropidodipsas freiae Shannon & Humphrey (Kofron 1985)

Distribution: Mexico (Colima, Guerrero, Jalisco, Michoacan, Nayarit, Oaxaca, Sinaloa).

Tropidodipsas repleta

Sonoran Snail Eater*, Banded Black Snake



2005 Tropidodipsas repleta Smith, Lemos-Espinal, Hartman & Chiszar

Distribution: Mexico (Chihuahua, Sonora).

Tropidodipsas sartorii

Terrestrial Snail Eater, (Ringed Snail Eater)


Gulbåndet Sneglesnog*

1863 Tropidodipsas sartorii Cope
Leptognathus sartorii Cope 1885
Sibon sartorii Kofron 1985
1863 Leptognathus dumerili Jan (Smith & Taylor 1945, Kofron 1985)
Tropidodipsas dumerilii Günther 1894
1870 Galedon annularis Jan (Peters & Orejas-Miranda 1970, Kofron 1985)
1870 Geophis annulatus Peters (Kofron 1985)
Tropidogeophis annulatus Müller 1878
Tropidodipsas sartorii annulatus Smith 1943
1884 Leptognathus sexscutatus Bocourt (Peters & Orejas-Miranda 1970, Kofron 1985)
1884 Leptognatus leucostomus Bocourt (Peters & Orejas-Miranda 1970, Kofron 1985)
1884 Leptognatus semicinctus Bocourt (Peters & Orejas-Miranda 1970, Kofron 1985)
1887 Leptognathus bernoullii Müller (Peters & Orejas-Miranda 1970, Kofron 1985)
1887 Leptognatus cuculliceps Müller (Peters & Orejas-Miranda 1970, Kofron 1985)
1943 Tropidodipsas macdougalli Smith (Peters & Orejas-Miranda 1970, Kofron 1985)
Tropidodipsas sartorii macdougalli Peters & Orejas-Miranda 1970
Sibon sartorii macdougalli Kofron 1985

Other common names:
annulatus: Annulated Snail Eater
macdougalli: MacDougall's Snail Eater
sartorii: Sartori's Snail Eater
Remarks: Although included for Jalisco by Auth, Smith, Brown & Lintz (2000), presence in the state is considered undocumented herein, following Cruz-Sáenz, Muñoz-Nolasco, Mata-Silva, Johnson, García-Padilla & Wilson (2017), who did not list the species for Jalisco.
Distribution: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico (Campeche, Chiapas, Guanajuato, Guerrero, Hidalgo, Mexico, Nuevo Leon, Oaxaca, Puebla, Queretaro, Quintana Roo, San Luis Potosi, Tabasco, Tamaulipas, Veracruz, Yucatan, Nicaragua.

Tropidodipsas zweifeli

Guerreran Snail Eater*, (Zweifel's Snail Eater)



1954 Chersodromus annulatus Zweifel [not Geophis annulatus Peters 1870]
1970 Tropidodipsas zweifeli Liner & Wilson [substitute name for Chersodromus annulatus Zweifel 1954]
Sibon zweifeli Kofron 1985

Distribution: Mexico (Guerrero, Morelos, Puebla).