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Atractus

Atractus is a genus of snakes, commonly called ground snakes, in the subfamily Dipsadinae of the family Colubridae. The genus includes more than 150 distinct species.

Geographic range
Snakes of the genus Atractus are endemic to Central and South America. ==Description==
Description
In the genus Atractus the maxilla is short, with 8–12 teeth; the maxillary and mandibular teeth decrease in size posteriorly. The head is not distinct from the neck. The eye is small, with a round or subelliptic pupil. The nostril is between two nasal scales. The preocular is usually absent, and the loreal and prefrontal scales enter the orbit. The body is cylindrical. The dorsal scales are smooth, without apical pits, in 15 or 17 rows. The ventral scales are rounded. The tail can be either short or rather long. The subcaudals are paired. ==Reproduction==
Reproduction
The genus Atractus is oviparous. ==Species==
Species
The following species are recognized as being valid. Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Atractus. • Atractus aboiporuAtractus acheroniusAtractus akeriosAtractus albuquerquei Cunha & Nascimento, 1983 – Albuquerque ground snake • Atractus alphonsehogei Cunha & Nascimento, 1983 – Alphonse's ground snake • Atractus altagratiaeAtractus alytogrammusAtractus andinus Prado, 1944 – Andean ground snake • Atractus apophisAtractus arangoi Prado, 1940 – brown ground snake, big ground snake • Atractus atlas Passos, Scanferla, Melo-Sampaio, Brito & Almendariz, 2018 – atlas ground snake • Atractus atratusAtractus attenuatusAtractus avernusAtractus ayeushAtractus badius (F. Boie, 1827) – Boie's ground snake • Atractus biseriatus Prado, 1941 – two-lined ground snake • Atractus bocki F. Werner, 1909 – Bock's ground snake • Atractus boimirim Passos, Prudente & J.D. Lynch, 2016 • Atractus boulengerii Peracca, 1896 • Atractus caeteAtractus careolepisAtractus carrioni Parker, 1930 – Parker's ground snake, Carrion's ground snake • Atractus caxiuanaAtractus cerberus – Cerberus ground snake • Atractus charitoaeAtractus chthoniusAtractus clarki Dunn & Bailey, 1939 – Clark's ground snake • Atractus collaris – collared ground snake • Atractus crassicaudatus (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854) – thickhead ground snake • Atractus dapsilis Melo-Sampaio, Passos, Fouquet, Prudente & Torres-Carvajal, 2019 • Atractus darienensisAtractus depressiocellusAtractus discovery Arteaga, Quezada, Vieira, & Guayasamin, 2022 • Atractus duboisiAtractus duidensis Roze, 1961 – Venezuela ground snake • Atractus dunni Savage, 1955 – Dunn's ground snake • Atractus echidnaAtractus ecuadorensis Savage, 1955 – Ecuadorean ground snake • Atractus edioiAtractus elaps (Günther, 1858) – black ground snake • Atractus emigdioi Gonzalez-Sponga, 1971 – Emigdio's ground snake • Atractus emmeli (Boettger, 1888) – Emmel's ground snake, Boettger's ground snake • Atractus erikiAtractus erythromelas Boulenger, 1903 – red-black ground snake • Atractus esepe – indistinct ground snake • Atractus favae (de Filippi, 1840) – Filippi's ground snake • Atractus flammigerus (F. Boie, 1827) – flaming ground snake • Atractus franciscopaivaiAtractus francoiAtractus fuliginosus (Hallowell, 1845) – Hallowell's ground snake • Atractus gaigeae Savage, 1955 – Gaige's ground snake • Atractus gigas – giant ground snake • Atractus guentheri (Wucherer, 1861) – Günther's ground snake • Atractus heliobelluominiAtractus heyeri Esqueda & McDiarmid, 2015 • Atractus hoogmoediAtractus hostilitractusAtractus imperfectusAtractus indistinctus Prado, 1940 – indistinct ground snake • Atractus insipidus Roze, 1961 • Atractus iridescens Peracca, 1896 – iridescent ground snake • Atractus lancinii Roze, 1961 – Lancini's ground snake • Atractus lasallei Amaral, 1931 – Lasalle's ground snake • Atractus latifrons (Günther, 1868) – broadhead ground snake • Atractus lehmanni Boettger, 1898 – Lehmann's ground snake • Atractus loveridgei Amaral, 1930 – Loveridge's ground snake • Atractus macondoAtractus maculatus (Günther, 1858) – spotted ground snake • Atractus major Boulenger, 1894 – brown ground snake • Atractus manizalesensis Prado, 1940 • Atractus mariselae Lancini, 1969 – Marisela's ground snake • Atractus marthae Meneses-Pelayo & Passos, 2019 • Atractus matthewiAtractus medusaAtractus melanogaster F. Werner, 1916 – blackbelly ground snake • Atractus melas Boulenger, 1908 – dark ground snake • Atractus meridensisAtractus michaelsabini Arteaga, Quezada, Vieira, & Guayasamin, 2022 • Atractus micheleaeAtractus microrhynchus (Cope, 1868) • Atractus mijaresi , 2005 • Atractus modestus Boulenger, 1894 – modest ground snake • Atractus multicinctus (Jan, 1865) – banded ground snake • Atractus multidentatusAtractus nasutusAtractus natansAtractus nawaAtractus nicefori Amaral, 1930 – northern ground snake • Atractus nigricauda Schmidt & Walker, 1943 – black-headed ground snake • Atractus nigriventris Amaral, 1933 – black-ventered ground snake • Atractus obesus Marx, 1960 – fat ground snake • Atractus obtusirostris F. Werner, 1916 – bignose ground snake • Atractus occidentalis Savage, 1955 – western ground snake • Atractus occipitoalbus (Jan, 1862) – gray ground snake • Atractus ochrosetrusAtractus oculotemporalis Amaral, 1932 – Hispanic ground snake • Atractus orcesiAtractus pachacamacAtractus paisaAtractus pamplonensis Amaral, 1937 – Pamplona ground snake • Atractus pantostictusAtractus paraguayensis F. Werner, 1924 • Atractus paucidens Despax, 1910 – Despax's ground snake • Atractus pauciscutatus Schmidt & Walker, 1943 – little-scaled ground snake • Atractus paulus Melo-Sampaio & Venegas, 2023 • Atractus peruvianus (Jan, 1862) – Peru ground snake • Atractus poeppigi (Jan, 1862) – basin ground snake • Atractus potschiAtractus punctiventris Amaral, 1933 – pointed ground snake • Atractus resplendens F. Werner, 1901 – resplendent ground snake • Atractus reticulatus (Boulenger, 1885) – reticulate ground snake • Atractus riveroi Roze, 1961 – Rivero's ground snake • Atractus ronnieAtractus roulei Despax, 1910 – Roule's ground snake • Atractus sanctaemartae Dunn, 1946 – St. Marta's ground snake • Atractus sanguineus Prado, 1944 – bloody ground snake • Atractus savagei Salazar-Valenzuela, Torres-Carvajal & Passos, 2014 – Savage's ground snake • Atractus schach (F. Boie, 1827) – Schach's ground snake • Atractus serranus Amaral, 1930 – Sao Paulo ground snake • Atractus snethlageae Cunha & Nascimento, 1983 • Atractus spinalisAtractus steyermarki Roze, 1958 • Atractus stygiusAtractus surucucuAtractus tamaensisAtractus tamessariAtractus taphorniAtractus tartarusAtractus thalesdelemaiAtractus titanicusAtractus torquatus (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854) – neckband ground snake • Atractus touzetiAtractus trefauti Melo-Sampaio, Passos, Fouquet, Prudente & Torres-Carvajal, 2019 • Atractus trihedrurus – southern ground snake • Atractus trilineatus Wagler, 1828 – three-lined ground snake • Atractus trivittatus Amaral, 1933 – three-banded ground snake • Atractus turikensisAtractus typhonAtractus ukupachaAtractus variegatus Prado, 1942 – variegated ground snake • Atractus ventrimaculatus Boulenger, 1905 – speckled ground snake • Atractus vertebralis Boulenger, 1904 – vertebral ground snake • Atractus vertebrolineatus Prado, 1941 – striped ground snake • Atractus vittatusAtractus wagleri Prado, 1945 – Wagler's ground snake • Atractus werneri Peracca, 1914 – Werner's ground snake • Atractus zebrinusAtractus zgap Arteaga, Quezada, Vieira, & Guayasamin, 2022 • Atractus zidoki Gasc & Rodriques, 1979 – Zidok's ground snake ==References==
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