Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update:
August 22nd, 2022.
 
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Genus
Mastigodryas
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Neotropical Lizard Eaters, Saurophiles, (Neotropical Racers)
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Neotropische Echsennattern
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Neotropiske Øglesnoge
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1843 |  |
Eudryas Fitzinger [not Eudryas Boisduval 1836 (Insecta); not Eudryas Harris 1841 (Insecta)] (type species: Coluber boddaerti Sentzen 1796; syn. Dixon & Tipton 2004) |
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1854 | |
Coryphodon Dumeril, Bibron & Dumeril [not Coryphodon Owen 1845 (Mammalia)] (type species: Coluber capistratus Lichtenstein 1823; syn. Dixon & Tipton 2004) |
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1934 | |
Mastigodryas Amaral (type species: Mastigodryas danieli Amaral 1935) |
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1939 | |
Dryadophis Stuart [substitute name for Eudryas Fitzinger 1843] (syn. Dixon & Tipton 2004; Montingelli 2009) |
Contents:
18 species, of which 5 (27.8%) are endemic.
Endemism: 0%  100%
Remarks:
Previously included
Palusophis bifossatus.
Dryadophis is here considered a synonym of Mastigodryas.
The history of these generic names has been confused.
See Dixon & Tipton (2004) for an overview.
Distribution:
Mexico, Central America, South America, Lesser Antilles.
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,
Morelos,
Para
[incl.
Marajo Island],
Paraiba,
Parana,
Pernambuco,
Piaui,
Rio de Janeiro,
Rio Grande do Norte,
Rio Grande do Sul,
Rondonia,
Roraima,
Santa Catarina,
Sao Paulo,
Sergipe,
Tocantins),
Colombia
(incl.
Gorgona Island),
Costa Rica,
Ecuador,
El Salvador,
French Guiana,
Grenada,
Guatemala,
Guyana,
Honduras
(incl.
Islas de la Bahia
[Cayos Cochinos
(Cayo Cochino Major,
Cayo Cochino Pequeño),
Utila]),
Mexico
(Campeche,
Chiapas,
Chihuahua,
Colima,
Durango,
Guerrero,
Hidalgo,
Jalisco,
Michoacan,
Nayarit
[incl.
Islas Marias
(Maria Cleofas,
Maria Magdalena)],
Oaxaca,
Puebla,
Queretaro,
Quintana Roo
[incl.
Cozumel],
San Luis Potosi,
Sinaloa,
Sonora,
Tabasco,
Tamaulipas,
Veracruz,
Yucatan,
Zacatecas),
Nicaragua,
Panama,
Paraguay,
Peru,
Saint Vincent & the Grenadines
(incl.
Union Island,
Saint Vincent),
Surinam,
Trinidad & Tobago
(Tobago,
Trinidad),
Venezuela
(incl.
Margarita).
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Mastigodryas alternatus
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Central American Lizard Eater
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Zentralamerikanische Echsennatter
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Centralamerikansk Øglesnog
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1884 | |
Coryphodon alternatus Bocourt |
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Dryadophis melanolomus alternatus Stuart 1941 |
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Mastigodryas melanolomus alternatus Peters & Orejas-Miranda 1970 |
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Mastigodryas alternatus Montingelli 2009 |
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1933 | |
Eudryas boddaerti gaigeae Stuart (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
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1954 | |
Dryadophis sanguiventris Taylor (syn. Montingelli 2009; McCranie 2011) |
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Mastigodryas sanguiventris Peters & Orejas-Miranda 1970 |
Other common names:
sanguiventris: Costa Rican Lizard-eater
Remarks:
Previously regarded as a synonym or subspecies of melanolomus (e.g., Peters & Orejas-Miranda 1970; Villa, Wilson & Johnson 1988).
Revalidated as a separate species by Montingelli (2009).
Validity supported by McCranie (2011).
Distribution:
Costa Rica,
Honduras,
Nicaragua,
Panama.
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Mastigodryas alternatus
© Henrik Bringsøe
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Mastigodryas amarali
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Venezuelan Lizard Eater, Yellow-necked Tropical Racer
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Venezuelanische Echsennatter
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Venezuelansk Øglesnog
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1938 | |
Eudryas amarali Stuart |
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Dryadophis amarali Stuart 1941 |
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Mastigodryas amarali Peters & Orejas-Miranda 1970 |
Distribution:
Trinidad & Tobago
(Tobago,
Trinidad),
Venezuela
(incl.
Isla Margarita).
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Mastigodryas boddaerti
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Brown Lizard Eater, Tan Lizard Eater, Tan Racer, Neotropical Lizard Eater, (Brown Lined Snake)
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Braune Echsennatter
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Brun Øglesnog
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1796 | |
Coluber Boddaerti Sentzen |
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Herpetodryas boddaerti Schlegel 1837 |
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Drymobius boddaerti Cope 1885 |
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Dryadophis boddaerti Stuart 1939 |
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Mastigodryas boddaerti Peters & Orejas-Miranda 1970 |
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1845 | |
Coluber fuscus Hallowell [not Coluber fuscus Linnaeus 1758] (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
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1859 | |
Ablabes tessellatus Berthold (syn. Böhme 2010) |
Remarks:
Previously included dunni, ruthveni, and reticulatus.
Older reports of boddaerti from Panama (Dunn & Bailey 1939; Dunn 1949) refer to alternatus.
Presence in Panama needs confirmation (Solís, Ibáñez & Jaramillo 1996).
Distribution:
Bolivia,
Brazil
(Acre,
Amapa,
Amazonas,
Ceara,
Goias,
Maranhao,
Mato Grosso,
Mato Grosso do Sul,
Para
[incl.
Marajo Island],
Piaui,
Rondonia,
Roraima,
Tocantins),
French Guiana,
Guyana,
Peru,
Surinam,
Trinidad & Tobago
(Trinidad),
Venezuela.
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Mastigodryas bruesi
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Lesser Antilles Lizard Eater, Windward Tree Racer, (White Snake)
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Caribische Echsennatter
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Caribisk Øglesnog
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1914 | |
Alsophis bruesi Barbour |
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Drymobius boddaerti bruesi Barbour 1937 |
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Dryadophis bruesi Stuart 1939 |
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Mastigodryas bruesi Peters & Orejas-Miranda 1970 |
Introduced to:
Barbados.
Distribution:
Grenada,
Saint Vincent & the Grenadines
(incl.
Union Island,
Saint Vincent).
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Mastigodryas cliftoni
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West Mexican Lizard Eater, (Clifton's Lizard Eater)
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Westmexicanische Echsennatter
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Vestmexicansk Øglesnog
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1963 | |
Dryadophis fasciatus Hardy [not Coluber fasciatus Rosen 1905] (syn. Hardy 1964; Montingelli 2009) |
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1964 | |
Dryadophis cliftoni Hardy |
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Mastigodryas cliftoni Dixon & Tipton 2004 [by implication] |
Distribution:
Mexico
(Chihuahua,
Durango,
Jalisco,
Nayarit,
Sinaloa,
Sonora,
Zacatecas).
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Mastigodryas danieli
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Colombian Lizard Eater, Colombian Racer
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Kolumbianische Echsennatter
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Colombiansk Øglesnog
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1935 | |
Mastigodryas danieli Amaral |
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1935 | |
Mastigodryas unicolor Amaral [nomen nudum] (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
Distribution:
Colombia.
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Mastigodryas dorsalis
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Striped Lizard Eater
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Gestreifte Echsennatter
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Stribet Øglesnog
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1890 | |
Drymobius dorsalis Bocourt |
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Dryadophis dorsalis Stuart 1939 |
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Mastigodryas dorsalis Peters & Orejas-Miranda 1970 |
Remarks:
Many recent publications have not included Mexico in the distribution of dorsalis.
The country is included herein, based on Liner (1994, 2007), Montingelli (2009), and Montingelli, Grazziotin, Battilana, Murphy, Zhang & Zaher (2019).
Distribution:
El Salvador,
Guatemala,
Honduras,
Mexico
(Chiapas),
Nicaragua.
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Mastigodryas dunni
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Tobago Lizard Eater, (Dunn's Lizard Eater)
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Tobago-Echsennatter
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Tobago-øglesnog
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1933 | |
Eudryas dunni Stuart |
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Dryadophis dunni Stuart 1939 |
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Dryadophis boddaerti dunni Stuart 1941 |
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Mastigodryas boddaerti dunni Peters & Orejas-Miranda 1970 |
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Mastigodryas dunni Montingelli 2009 |
Remarks:
Previously regarded as a subspecies of boddaerti (e.g., Stuart 1941; Peters & Orejas-Miranda 1970).
Revalidated as a separate species by Montingelli (2009).
Distribution:
Trinidad & Tobago
(Tobago).
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Mastigodryas heathii
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Peruvian Lizard Eater, (Heath's Lizard Eater)
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Peruvianische Echsennatter
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Peruviansk Øglesnog
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1876 | |
Drymobius heathii Cope |
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Drymobius boddaerti heathii Boettger 1898 |
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Dryadophis heathii Stuart 1939 |
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Dryadophis boddaertii heathii Schmidt & Walker 1943 |
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Mastigodryas heathii Peters & Orejas-Miranda 1970 |
Distribution:
Ecuador,
Peru.
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Mastigodryas laevis
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Guatemalan Lizard Eater
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Guatemalische Echsennatter
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Guatemalansk Øglesnog
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1881 | |
Herpetodryas Laevis Fischer |
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Eudryas boddaerti laevis Stuart 1933 |
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Dryadophis melanolomus laevis Stuart 1941 |
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Mastigodryas melanolomus laevis Peters & Orejas-Miranda 1970 |
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Mastigodryas laevis Montingelli 2009 |
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1885 | |
Dromicus coeruleus Fischer (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
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1890 | |
Herpetodryas mexicanus Bocourt (syn. Smith & Pérez-Higareda 1986) |
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1903 | |
Drymobius boddaerti modesta Werner (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
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1943 | |
Dryadophis melanolomus stuarti Smith (Montingelli 2009, by implication) |
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Mastigodryas melanolomus stuarti Peters & Orejas-Miranda 1970 |
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1943 | |
Dryadophis melanolomus tehuanae Smith (syn. Montingelli 2009) |
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Mastigodryas melanolomus tehuanae Peters & Orejas-Miranda 1970 |
Other common names:
stuarti: Stuart's Lizard Eater
tehuanae: Tehuana Lizard Eater
Remarks:
Previously regarded as a subspecies of boddaerti (e.g., Stuart 1941; Peters & Orejas-Miranda 1970).
Revalidated as a separate species by Montingelli (2009).
Not listed for Nicaragua by Sunyer & Martínez-Fonseca (2023).
Distribution:
Belize,
El Salvador,
Guatemala,
Honduras
(incl.
Islas de la Bahia
[Cayos Cochinos
(Cayo Cochino Major,
Cayo Cochino Pequeño),
Utila]),
Mexico
(Chiapas,
Colima,
Guerrero,
Jalisco,
Michoacan,
Morelos,
Nayarit,
Oaxaca,
Puebla,
San Luis Potosi,
Sinaloa),
Nicaragua.
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Mastigodryas melanolomus
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Salmon-bellied Lizard Eater, Common Lizard Eater, Dryad Snake, Salmon-bellied Racer, Middle American Smooth-scaled Racer, Orange-bellied Lizard-eater, (Cope's Lizard Eater)
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Rotbauch-Echsennatter
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Rødbuget Øglesnog
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1868 | |
Masticophis melanolomus Cope |
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Eudryas boddaerti melanolomus Schmidt & Andrews 1936 |
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Dryadophis melanolomus Stuart 1939 |
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Mastigodryas melanolomus Peters & Orejas-Miranda 1970 |
Remarks:
Previously included alternatus, laevis, slevini, and veraecrucis.
Records of melanolomus from eastern Honduras to Panama refer to alternatus (McCranie 2011).
Records from Ecuador refer to reticulatus, and records from Colombia are believed to represent an undescribed species
(Montingelli, Valencia, Benavides & Zaher 2011).
Distribution:
Belize,
Mexico
(Campeche,
Quintana Roo
[incl.
Cozumel],
Yucatan).
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Mastigodryas moratoi
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Amazon Lizard Eater
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Amazonas-Echsennatter
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Amazonas-øglesnog
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2011 | |
Mastigodryas moratoi Montingelli & Zaher |
Distribution:
Brazil
(Amazonas,
Roraima),
Guyana.
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Mastigodryas pleei
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Many-lined Lizard Eater, Many-lined Tropical Racer, (Plee's Lizard Eater)
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Vielstreifige Echsennatter
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Mangestribet Øglesnog
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1854 | |
Dromicus Pleei Dumeril, Bibron & Dumeril |
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Dryadophis pleei Stuart 1939 |
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Mastigodryas pleei Peters & Orejas-Miranda 1970 |
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1858 | |
Herpetodryas rappii Günther [part] (syn. Montingelli 2009) |
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1870 | |
Herpetodryas quinquelineatus Steindachner (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
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1877 | |
Dromicus maculivittis Peters (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
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1887 | |
Alsophis pulcher Garman (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
Remarks:
Not mentioned for Surinam by Kuijpers (2024).
Distribution:
Brazil
(Para),
Colombia,
Panama,
Surinam,
Venezuela
(incl.
Isla Margarita).
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Mastigodryas pulchriceps
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Quito Lizard Eater, Tidy Tropical Racer
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Quito-Echsennatter
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Quito-øglesnog
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1868 | |
Masticophis pulchriceps Cope |
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Eudryas boddaerti pulchriceps Stuart 1933 |
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Dryadophis pulchriceps Stuart 1939 |
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Mastigodryas pulchriceps Peters & Orejas-Miranda 1970 |
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1868 | |
Herpetodryas reissii Cope (syn. D'Agostini, Lema & Ribeiro 2003; Montingelli 2009) |
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Drymobius reissii Vanzolini 1977 |
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1905 | |
Coluber fasciatus Rosen (syn. Peters & Orejas-Miranda 1970; Montingelli 2009) |
Distribution:
Colombia,
Ecuador,
Peru.
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Mastigodryas reticulatus
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Guayaquil Lizard Eater
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Guayaquil-Echsennatter
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Guayaquil-øglesnog
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1863 | |
Herpetodryas reticulata Peters |
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Mastigodryas reticulatus Montingelli 2009 |
Remarks:
Previously regarded as a synonym of boddaerti (e.g., Peters & Orejas-Miranda 1970; Wallach, Williams & Boundy 2014).
Revalidated by Montingelli (2009).
Validity supported by Montingelli, Valencia, Benavides & Zaher (2011).
Distribution:
Ecuador,
Peru.
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Mastigodryas ruthveni
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Magdalena Lizard Eater, (Ruthven's Lizard Eater)
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Magdalena-Echsennatter
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Magdalena-øglesnog
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1933 | |
Eudryas ruthveni Stuart |
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Dryadophis ruthveni Stuart 1939 |
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Dryadophis boddaerti ruthveni Stuart 1941 |
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Mastigodryas boddaerti ruthveni Peters & Orejas-Miranda 1970 |
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Mastigodryas ruthveni Montingelli 2009 |
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1858 | |
Herpetodryas rappii Günther [part] (syn. Montingelli 2009) |
Remarks:
Previously regarded as a subspecies of boddaerti (e.g., Stuart 1941; Peters & Orejas-Miranda 1970).
Revalidated as a separate species by Montingelli (2009).
Distribution:
Colombia,
Venezuela.
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Mastigodryas slevini
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Nayarit Lizard Eater, (Slevin's Lizard Eater)
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Nayarit-Echsennatter
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Nayarit-øglesnog
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1933 | |
Eudryas slevini Stuart |
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Dryadophis melanolomus slevini Stuart 1941 |
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Mastigodryas melanolomus slevini Peters & Orejas-Miranda 1970 |
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Mastigodryas slevini Montingelli 2009 |
Remarks:
Previously regarded as a subspecies of melanolomus (e.g., Stuart 1941; Peters & Orejas-Miranda 1970).
Revalidated as a separate species by Montingelli (2009).
Distribution:
Mexico
(Nayarit,
incl.
Islas Marias
[Maria Cleofas,
Maria Magdalena]).
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Mastigodryas veraecrucis
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Olive Lizard Eater
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Veracruz-Echsennatter
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Veracruz-øglesnog
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1933 | |
Eudryas boddaerti mexicanus Stuart [not Herpetodryas mexicanus Bocourt 1890] (syn. Stuart 1933; Montingelli 2009) |
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1933 | |
Dryadophis melanolomus veraecrucis Stuart [substitute name for Eudryas boddaerti mexicanus Stuart 1933] |
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Mastigodryas melanolomus veraecrucis Peters & Orejas-Miranda 1970 |
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Mastigodryas veraecrucis Montingelli 2009 |
Remarks:
Previously regarded as a subspecies of melanolomus (e.g., Stuart 1941; Peters & Orejas-Miranda 1970).
Raised to status as a separate species by Montingelli (2009).
Distribution:
Mexico
(Chiapas,
Hidalgo,
Oaxaca,
Queretaro,
San Luis Potosi,
Tabasco,
Tamaulipas,
Veracruz).
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