Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.
 
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Genus
Diadophis
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Ring-necked Snake
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Ringhalsnatter
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Ringhalssnog
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1853 |  |
Diadophis Girard (type species: Coluber punctatus Linnaeus 1766) |
Contents:
1 species, which is not endemic.
Endemism: 0%  100%
Distribution:
As for the single species.
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Diadophis punctatus
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Ring-necked Snake
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Ringhalsnatter
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Ringhalssnog
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1766 | |
Coluber punctatus Linnaeus |
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Natrix punctatus Merrem 1820 |
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Homalosoma punctata Wagler 1830 |
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Calamaria punctata Schlegel 1837 |
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Ablabes punctatus Duméril, Bibron & Duméril 1854 |
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Diadophis punctatus Baird & Girard 1853 |
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1802 | |
Coluber torquatus Shaw (Wallach, Williams & Boundy 2014) |
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1820 | |
Coluber edwardsii Merrem |
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Diadophis punctatus edwardsii Barbour 1919 |
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1853 | |
Diadophis amabilis Baird & Girard |
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Diadophis punctatus amabilis Jan 1866 |
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1853 | |
Diadophis docilis Baird & Girard (Smith & Smith 1976) |
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Diadophis punctatus docilis Jan 1863 |
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1853 | |
Diadophis pulchellus Baird & Girard |
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Diadophis amabilis pulchellus Blanchard 1923 |
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Diadophis punctatus pulchellus Jan 1866 |
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1853 | |
Diadophis regalis Baird & Girard |
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Diadophis punctatus regalis Conant 1975 |
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1858 | |
Ablabes occipitalis Günther (Schmidt 1953) |
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1858 | |
Diadophis arnyi Kennicott |
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Diadophis punctatus arnyi Stejneger & Barbour 1923 |
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1860 | |
Diadophis dysopes Cope (Schmidt 1953) |
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1860 | |
Diadophis punctatus stictogenys Cope |
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1860 | |
Diadophis punctatus pallidus Cope (Schmidt 1953) |
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1860 | |
Diadophis texensis Kennicott (Schmidt 1953) |
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1863 | |
Diadophis punctatus laetus Jan (Smith & Smith 1976) |
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Diadophis regalis laetus Blanchard 1942 |
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1875 | |
Diadophis punctatus dougesii Villada [corrected to dugesii in errata at the end of the volume] |
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Diadophis regalis dougesii Taylor & Smith 1938 |
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Diadophis dugesii Blanchard 1942 |
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1886 | |
Diadophis punctatus modestus Bocourt |
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Diadophis amabilis modestus Blanchard 1923 |
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1923 | |
Diadophis amabilis occidentalis Blanchard |
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Diadophis punctatus occidentalis Stebbins 1985 |
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1923 | |
Diadophis amabilis similis Blanchard |
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Diadophis punctatus similis Stebbins 1985 |
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1923 | |
Diadophis amabilis vandenburghi Blanchard |
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Diadophis punctatus vandenburghi Stebbins 1985 |
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1923 | |
Diadophis anthonyi Van Denburgh & Slevin |
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Diadophis amabilis anthonyi Blanchard 1942 |
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Diadophis punctatus anthonyi Liner 1994 |
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1923 | |
Diadophis regalis arizonae Blanchard (Schmidt 1953) |
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1944 | |
Diadophis regalis blanchardi Schmidt & Smith |
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1968 | |
Diadophis punctatus acricus Paulson |
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Diadophis acricus Collins 1991 |
Other common names:
acricus: Key Ring-necked Snake
amabilis: Pacific Ring-necked Snake
anthonyi: Anthony's Ring-necked Snake
arnyi: Prairie Ring-necked Snake
dugesii: Mexican Ring-necked Snake, Dugès' Ring-necked Snake
edwardsi: Northern Ring-necked Snake
modestus: San Bernardino Ring-necked Snake
occidentalis: Northwestern Ring-necked Snake
pulchellus: Coral-bellied Ring-necked Snake
punctatus: Southern Ring-necked Snake
regalis: Regal Ring-necked Snake
similis: San Diego Ring-necked Snake
stictogenys: Mississippi Ring-necked Snake
vandenburghi: Monterey Ring-necked Snake
Remarks:
Several subspecies or synonyms of punctatus have been regarded as separate species, but most authors since Croulet (1965) have recognized only a single species. Collins (1991) suggested recognition of acricus and amabilis as separate species, but only few authors have followed this proposal. However, Pinou, Haas & Maxson (1995) and Fontanella & Siddall (2010) presented evidence which indicated that punctatus contains more than one geneticlly distinct species.
Introduced to:
Cayman Islands
(Grand Cayman).
Distribution:
North America.
Reported from:
Canada
(New Brunswick,
Nova Scotia,
Ontario,
Quebec),
Mexico
(Aguascalientes,
Baja California Norte
[incl.
Isla Todos Santos Sur],
Chihuahua,
Coahuila,
Distrito Federal,
Durango,
Guanajuato,
Hidalgo,
Jalisco,
Mexico State,
Michoacan,
Nayarit,
Nuevo Leon,
Queretaro,
San Luis Potosi,
Sinaloa,
Sonora,
Veracruz),
USA
(Alabama,
Arizona,
Arkansas,
California
[incl.
Channel Islands],
Colorado,
Connecticut,
Delaware,
Florida,
Georgia,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
Nevada,
New Hampshire,
New Jersey,
New Mexico,
New York
[incl.
Long Island],
North Carolina,
Ohio,
Oklahoma,
Oregon,
Pennsylvania,
Rhode Island,
South Carolina,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
Washington, D.C.,
West Virginia,
Wisconsin).
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