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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.


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








Genus
Sibon

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

Neotropische Schneckennattern

Neotropiske Sneglesnoge

1826 Sibon Fitzinger (type species: Coluber nebulatus Linnaeus 1758)
1843 Sibynon Fitzinger (type species: Coluber nebulatus Linnaeus 1758)
1854 Petalognathus Dumeril, Bibron & Dumeril (type species: Coluber nebulatus Linnaeus 1758)
1867 Mesopeltis Cope (type species: Mesopeltis sanniolus Cope 1866)
1884 Asthenognathus Bocourt (type species: Petalognathus multifasciatus Jan 1884)
1898 Geatractus Dugès (type species: Geophis tecpanecus Duges 1896; syn. Williams & Wallach 1989)
1942 Exelencophis Smith (type species: Tantilla nelsoni Slevin 1942; syn. Williams & Wallach 1989)
Contents: 23 species, of which 13 (56.5%) are endemic.
Endemism: 0% 100%
Distribution: S. Mexico, Central America, N. and E. South America.
Reported from: Belize, Brazil (Alagoas, Amapa, Bahia, Ceara, Para, Paraiba, Pernambuco, Roraima), Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico (Campeche, Chiapas, Colima, Guerrero, Hidalgo, Jalisco, Michoacan, Nayarit, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz, Yucatan), Nicaragua (incl. Islas del Maiz [Isla Grande del Maiz]), Panama, Surinam, Trinidad & Tobago (Tobago, Trinidad), Venezuela (incl. Margarita).

Sibon annulatus

Ringed Snail Eater

Ringel-Schneckennatter

Ring-sneglesnog

1872 Leptognathus annulatus Günther
Sibon annulatus Dunn & Bailey 1939
1876 Leptognathus pictiventris Cope (Peters 1965)

Remarks: Previously regarded as a synonym of dimidiatus (e.g., Kofron 1990). Treated as a valid species by subsequent works (e.g., Savage & McDiarmid 1992; Köhler 1999; Arteaga & Batista 2023). Formerly included the populations now assigned to canopy, irmelindicaprioae, and marleyae.
Distribution: Costa Rica, Honduras, Nicaragua, Panama.


Sibon anthracops

White-naped Snail Eater

Weissnacken-Schneckennatter

Hvidnakket Sneglesnog

1868 Leptognathus anthracops Cope
Sibon anthracops Peters 1960
1921 Sibynomorphus ruthveni Barbour & Dunn (Dunn 1942; Peters 1965)

Remarks: Erroneously recorded from Mexico (Kofron 1987).
Distribution: Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama.


Sibon argus

Argus Snail Eater

Argus-Schneckennatter

Argus-sneglesnog

1876 Leptognathus argus Cope
Sibon argus Peters 1960

Remarks: Regarded as a synonym of dimidiatus by Kofron (1990), but as a valid species by Savage & McDiarmid (1992) and Lotzkat, Hertz & Köhler (2012).
Distribution: Costa Rica, Panama.


Sibon ayerbeorum

Munchique Snail Eater, (The Ayerbes' Snail Eater)

Munchique-Schneckennatter

Munchique-sneglesnog

2019 Sibon ayerbeorum Vera-Pérez

Distribution: Colombia, Ecuador.





Sibon bevridgelyi

Maroon Snail Eater, (Bev Ridgely's Snail Eater)

Kastanienbraune Schneckennatter

Rødbrun Sneglesnog

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

Distribution: Ecuador, Peru.





Sibon canopy

Coclé Snail Eater, (Canopy Snail-eating Snake)

Coclé-Schneckennatter

Coclé-sneglesnog

2023 Sibon canopy Arteaga & Batista

Remarks: Previously regarded as a population of annulatus (Arteaga & Batista 2023).
Distribution: Panama.





Sibon carri

Tegucigalpa Snail Eater

Tegucigalpa-Schneckennatter

Tegucigalpa-sneglesnog

1951 Tropidodipsas carri Shreve
Sibon carri Peters 1960

Distribution: El Salvador, Guatemala, Honduras.


Sibon dimidiatus

Coral-backed Snail Eater, (Slender Snail Eater)

Korallen-Schneckennatter

Koral-sneglesnog

1872 Leptognathus dimidiatus Günther
Mesopeltis dimidiatus Günther 1894
Sibon dimidiatus Smith 1943
1884 Petalognathus multifasciatus Jan (Peters 1965)
1890 Leptognathus grandoculis Müller (Peters 1960)
Sibon dimidiata grandoculis Peters 1960

Other common names:
dimidiatus: Common Slender Snail Eater
grandoculis: Chiapan Slender Snail Eater
Remarks: Records from Panama (e.g., Kofron 1990; Savage & McDiarmid 1992; Köhler 2008) are regarded as erroneous (Lotzkat, Hertz & Köhler 2012).
Distribution: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico (Chiapas, Oaxaca, Puebla, Tabasco, Veracruz), Nicaragua.


Sibon dunni

Imbabura Snail Eater

Imbabura-Schneckennatter

Imbabura-sneglesnog

1957 Sibon dunni Peters

Distribution: Ecuador.


Sibon hartwegi

Barrancabermeja Snail Eater

Barrancabermeja-Schneckennatter

Barrancabermeja-sneglesnog

1960 Sibon nebulata hartwegi Peters
Sibon hartwegi Arteaga & Batista

Remarks: Previously regarded as a subspecies of nebulatus. Elevated to species status by Arteaga & Batista (2023).
Distribution: Colombia.


Sibon hartwegi
© Henrik Bringsøe

Sibon irmelindicaprioae

Darién Snail Eater, (DiCaprio's Snail-eating Snake)

Darién-Schneckennatter

Darién-sneglesnog

2023 Sibon irmelindicaprioae Arteaga & Batista

Remarks: Previously regarded as a population of annulatus (Arteaga & Batista 2023).
Distribution: Panama.





Sibon lamari

Costa Rican Snail Eater

Costaricanische Schneckennatter

Costaricansk Sneglesnog

2001 Sibon lamari Solorzano

Distribution: Costa Rica, Panama.


Sibon leucomelas

Buenaventura Snail Eater

Buenaventura-Schneckennatter

Buenaventura-sneglesnog

1896 Leptognathus leucomelas Boulenger
Sibon nebulata leucomelas Peters 1960

Remarks: Previously regarded as a subspecies of nebulatus. Revalidated as a separate species by Arteaga & Batista (2023).
Distribution: Colombia, Panama.





Sibon linearis

Lined Snail Eater

Gestreifte Schneckennatter

Stribet Sneglesnog

2002 Sibon linearis Perez-Higareda, Lopez-Luna & Smith

Distribution: Mexico (Veracruz).


Sibon longifrenis

Drab Snail Eater, Lichen-colored Snail Eater

Flechten-Schneckennatter

Lav-sneglesnog

1909 Mesopeltis longifrenis Stejneger
Sibon longifrenis Peters 1960
1951 Dipsas costaricensis Taylor (Peters 1965)

Remarks: Regarded as a synonym of dimidiatus by Kofron (1987, 1990), but as a valid species by Savage & McDiarmid (1992) and Lewis (2009).
Distribution: Costa Rica, Honduras, Nicaragua, Panama.


Sibon manzanaresi

Northeast Honduran Snail Eater

Honduranische Schneckennatter

Honduransk Sneglesnog

2007 Sibon manzanaresi McCranie

Distribution: Honduras.


Sibon marleyae

Verdecanandé Snail Eater, (Marley's Snail-eating Snake)

Verdecanandé-Schneckennatter

Verdecanandé-sneglesnog

2023 Sibon marleyae Arteaga & Batista

Remarks: Previously regarded as a population of annulatus (Arteaga & Batista 2023).
Distribution: Colombia, Ecuador.





Sibon merendonensis

Merendón Mountains Snail Eater

Merendón-Schneckennatter

Merendón-sneglesnog

2012 Sibon merendonensis Rovito, Papenfuss & Vázquez-Almazán

Distribution: Guatemala.


Sibon miskitus

Mosquitia Snail Eater

Mosquitia-Schneckennatter

Mosquitia-sneglesnog

2006 Sibon miskitus McCranie

Distribution: Honduras.


Sibon nebulatus

Cloudy Snail Eater, Cloudy Snail Sucker, Speckled Snail Sucker

Gesprenkelte Schneckennatter

Spættet Sneglesnog

1758 Coluber nebulatus Linnaeus
Petalognathus nebulatus Mocquard 1908
Sibon nebulatus Fitzinger 1826
1845 Coluber variegatus Hallowell (Roze 1958; Peters 1965)
1879 Leptognathus affinis Fischer (Boulenger 1896; Peters 1965)
1960 Sibon nebulata popayanensis Peters

Other common names:
nebulatus: Speckled Snail Eater
Remarks: Taxonomy of nebulatus is still pending further studies. It probably represents a species complex. Formerly included the populations now assigned to hartwegi, leucomelas, and vieirai.
Distribution: Belize, Brazil (Alagoas, Amapa, Ceara, Maranhao, Para, Paraiba, Pernambuco, Rio Grande do Norte), Costa Rica, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico (Campeche, Chiapas, Colima, Guerrero, Hidalgo, Jalisco, Michoacan, Nayarit, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz, Yucatan), Nicaragua (incl. Islas del Maiz [Isla Grande del Maiz]), Panama, Surinam, Trinidad & Tobago (Tobago, Trinidad), Venezuela (incl. Isla Margarita).


Sibon nebulatus
© Henrik Bringsøe

Sibon noalamina

West Panamanian Snail Eater

Westpanamaische Schneckennatter

Vestpanamansk Sneglesnog

2012 Sibon noalamina Lotzkat, Hertz & Köhler

Distribution: Panama.


Sibon perissostichon

Fine-scaled Snail Eater

Kleinschuppige Schneckennatter

Finskællet Sneglesnog

2010 Sibon perissostichon Köhler, Lotzkat & Hertz

Distribution: Panama.


Sibon vieirai

Pichincha Snail Eater, (Vieira's Snail-eating Snake)

Pichincha-Schneckennatter

Pichincha-sneglesnog

2023 Sibon vieirai Arteaga & Batista

Distribution: Colombia, Ecuador.