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








Genus
Nerodia

North American Water Snakes

Amerikanische Wassernattern oder Schwimmnattern

Amerikanske Vandsnoge

1853 Nerodia Baird (type species: Coluber sipedon Linnaeus 1758)
Contents: 10 species, of which 6 (60.0%) are endemic.
Remarks: Previously included in Natrix, but separated from that genus by Rossman & Eberle (1977). Until recently, the genus included three species now placed in Thamnophis (melanogaster, rufipunctatus, validus) (e.g., Conant 1969; Chiasson & Lowe 1989).
Distribution: E. and C. North America.
Reported from: Canada (Ontario, Quebec), Mexico (Campeche, Chiapas, Chihuahua, Coahuila, Durango, Hidalgo, Nuevo Leon, Puebla, San Luis Potosi, Tabasco, Tamaulipas, Veracruz, Zacatecas), USA (Alabama, Arkansas, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New Mexico, New York [incl. Long Island], North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, D.C., West Virginia, Wisconsin).

Nerodia clarkii

Salt Marsh Water Snake, Salt Marsh Snake

Marsch-Wassernatter*

Amerikansk Marsksnog*, Mangrove-marsksnog (compressicauda)

1853 Regina clarkii Baird & Girard
Tropidonotus clarkii Boulenger 1893
Natrix clarki Allen 1932
Natrix sipedon clarkii Clay 1938
Nerodia clarkii Lawson 1987
Nerodia fasciata clarkii Lawson, Meier, Frank & Moler 1991
1860 Nerodia compressicauda Kennicott
Tropidonotus compressicauda Boulenger 1893
Natrix compressicauda Cope 1889
Nerodia clarkii compressicauda Lawson 1987
Nerodia fasciata compressicauda Lawson, Meier, Frank & Moler 1991
1860 Tropidonotus compsolaemus Cope (Gibbons & Dorcas 2004)
1860 Natrix ustus Cope (Gibbons & Dorcas 2004)
1861 Tropidonotus cubanus Gundlach (Schwartz & Henderson 1988; Gibbons & Dorcas 2004)
1883 Natrix compressicaudus walkeri Yarrow (Gibbons & Dorcas 2004)
1889 Natrix compressicauda bivittata Cope (Gibbons & Dorcas 2004)
1894 Natrix compressicauda obscura Lönnberg (Gibbons & Dorcas 2004)
1895 Natrix compressicauda taeniata Cope (Gibbons & Dorcas 2004)
Natrix sipedon taeniata Carr & Goin 1942
Nerodia fasciata taeniata Lawson, Meier, Frank & Moler 1991

Other common names:
clarki: Gulf Salt Marsh Water Snake
compressicauda: Mangrove Salt Marsh Water Snake
taeniata: Atlantic Salt Marsh Water Snake
Remarks: Previously regarded as a subspecies of sipedon or, more recently, fasciata.
Introduced to: Cuba.
Distribution: USA (Alabama, Florida, Louisiana, Mississippi, Texas).


Nerodia cyclopion

Western Green Water Snake, Mississippi Green Water Snake

Westliche Grüne Wassernatter*

Vestlig Grøn Vandsnog*

1854 Tropidonotus cyclopion Dumeril, Bibron & Dumeril
Natrix cyclopium [sic] Cope 1862
Natrix cyclopion Goff 1936
Nerodia cyclopion Rossman & Eberle 1977

Remarks: Previously included floridana.
Distribution: USA (Alabama, Arkansas, Florida, Illinois, Kentucky, Louisiana, Mississippi, Missouri, Tennessee, Texas).


Nerodia erythrogaster

Plain-bellied Water Snake

Rotbauch-Wassernatter

Rødbuget Vandsnog

1771 Coluber erythrogaster Forster
Tropidonotus erythrogaster Holbrook 1842
Tropidonotus sipedon erythrogaster Cope 1875
Natrix fasciata erythrogaster Cope 1888
Nerodia erythrogaster Baird & Girard 1853
Nerodia sipedon erythrogaster Garman 1892
Tropidonotus fasciatus erythrogaster Boulenger 1893
Natrix sipedon erythrogaster Hay 1892
Natrix erythrogaster Clark 1903
1852 Tropidonotus transversus Hallowell (Gibbons & Dorcas 2004)
Natrix fasciata transversa Cope 1892
Tropidonotus sipedon transversus Brown 1901
Natrix erythrogaster transversa Taylor 1929
Natrix sipedon transversa Stone 1903
Tropidonotus fasciatus transversus Ditmars 1907
Natrix transversa Burt & Burt 1929
Thamnophis erythrogaster transversa [lapsus] Smith & Smith 1976
Nerodia erythrogaster transversa Bernard & Brown 1977
1853 Nerodia woodhousei Baird & Girard (Gibbons & Dorcas 2004)
Tropidonotus woodhousei Cope 1860
Tropidonotus sipedon woodhousei Cope 1875
Natrix sipedon woodhouseii Hay 1892
Natrix erythrogaster woodhousii Viosca 1924
1860 Nerodia couchii Kennicott (Rossman, Ford & Seigel 1996; Gibbons & Dorcas 2004)
Tropidonotus couchii Cope 1860
Tropidonotus sipedon couchii Cope 1875
1887 Tropidonotus bisectus Cope (Gibbons & Dorcas 2004)
1917 Tropidonotus roulei Chabanaud (Boundy & David 2015)
1949 Natrix erythrogaster flavigaster Conant
Nerodia erythrogaster flavigaster Mushinsky & Hebrard 1977
1949 Natrix erythrogaster neglecta Conant
Nerodia erythrogaster neglecta Collins & al. 1978
1953 Natrix erythrogaster bogerti Conant
Natrix bogerti Smith & Smith 1976
Nerodia erythrogaster bogerti Fitch 1981
1963 Natrix erythrogaster alta Conant
Nerodia erythrogaster alta McCranie 1990

Other common names:
alta: Aguanaval Water Snake
bogerti: Nazas Water Snake
erythrogaster: Red-bellied Water Snake
flavigaster: Yellow-bellied Water Snake
neglecta: Copper-bellied Water Snake
transversa: Blotched Water Snake
Distribution: Mexico (Chihuahua, Coahuila, Durango, Nuevo Leon, Tamaulipas, Zacatecas), USA (Alabama, Arkansas, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Mississippi, Missouri, New Mexico, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Virginia, Wisconsin).


Nerodia fasciata

North American Banded Water Snake, Southern Water Snake

Gebänderte Wassernatter, Südliche Schwimmnatter

Nordamerikansk Båndet Vandsnog

1766 Coluber fasciatus Linnaeus
Tropidonotus fasciatus Holbrook 1842
Nerodia fasciata Baird & Girard 1853
Natrix fasciata Cope 1895
Natrix sipedon fasciata Stejneger & Barbour 1917
1801 Coluber porcatus Latreille (Gibbons & Dorcas 2004)
1858 Tropidonotus medusa Günther (Gibbons & Dorcas 2004)
1895 Natrix fasciata pictiventris Cope
Natrix sipedon pictiventris Stejneger & Barbour 1917
Nerodia fasciata pictiventris Lawson 1987
1923 Natrix fasciata confluens Blanchard
Natrix sipedon confluens Stejneger & Barbour 1933
Nerodia fasciata confluens Lawson 1987
1943 Natrix sipedon engelsi Barbour (Gibbons & Dorcas 2004)

Other common names:
confluens: Broad-banded Water Snake
fasciata: Southern Banded Water Snake
pictiventris: Florida Banded Water Snake
Remarks: Previously included three other subspecies (clarki, compressicauda, taeniata) now all included under clarki. Although some authors have regarded fasciata and sipedon as conspecific (e.g., Blaney & Blaney 1979), the two forms are now considered separate species (e.g., Conant 1963). Balfour & Stitt's (2002) record of the subspecies fasciata in California (introduced) refer to pictiventris (Balfour, Stitt, Fuller & Luckau 2007).
Introduced to: USA (California).
Distribution: USA (Alabama, Arkansas, Florida, Georgia, Illinois, Kentucky, Louisiana, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas).


Nerodia floridana

Eastern Green Water Snake, Florida Green Water Snake

Östliche Grüne Wassernatter*

Østlig Grøn Vandsnog*

1936 Natrix cyclopion floridana Goff
Nerodia cyclopion floridana Rossman & Eberle 1977 [by implication]
Nerodia floridana Lawson 1987

Distribution: USA (Florida, Georgia, South Carolina).


Nerodia harteri

Brazos River Water Snake, (Harter's Water Snake)

Brazos-Wassernatter*

Brazos-vandsnog*

1941 Natrix harteri Trapido
Nerodia harteri Rossman & Eberle 1977

Remarks: Previously included paucimaculata.
Distribution: USA (Texas).


Nerodia paucimaculata

Concho Water Snake

Concho-Wassernatter*

Concho-vandsnog*

1961 Natrix harteri paucimaculata Tinkle & Conant
Nerodia harteri paucimaculata Rossman & Eberle 1977 [by implication]
Nerodia paucimaculata Rose & Selcer 1989

Remarks: Rose & Selcer (1989) suggested recognition of paucimaculatus as a separate species. This was supported by Collins (1991) and Densmore, Rose & Kain (1992), however, Gibbons & Dorcas (2004) retained it as a synonym of harteri.
Distribution: USA (Texas).


Nerodia rhombifer

Diamondback Water Snake

Diamant-Wassernatter

Nordamerikansk Rudesnog*

1852 Tropidonotus rhombifer Hallowell
Nerodia rhombifer Baird & Girard 1853
Natrix rhombifer Jordan 1888
Nerodia sipedon rhombifer Garman 1892
Tropidonotus fasciatus rhombifer Boulenger 1893
Natrix taxispilota rhombifera Cliburn 1956
1853 Nerodia holbrookii Baird & Girard (Gibbons & Dorcas 2004)
1938 Natrix rhombifera blanchardi Clay
Nerodia rhombifera blanchardi Rossman & Eberle 1977 [by implication]
1953 Natrix rhombifera werleri Conant
Nerodia rhombifera werleri Rossman & Eberle 1977 [by implication]

Other common names:
blanchardi: Tampico Diamondback Water Snake
rhombifer: Northern Diamondback Water Snake
werleri: Tabasco Diamondback Water Snake
Distribution: Mexico (Campeche, Chiapas, Coahuila, Hidalgo, Nuevo Leon, Puebla, San Luis Potosi, Tabasco, Tamaulipas, Veracruz), USA (Alabama, Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Oklahoma, Tennessee, Texas).


Nerodia sipedon

Northern Water Snake

Siegelringel-Natter

Nordlig Amerikansk Vandsnog

1758 Coluber sipedon Linnaeus
Tropidonotus fasciatus sipedon Boulenger 1893
Natrix sipedon Kirsch 1895
Nerodia sipedon Rossman & Eberle 1977
1839 Coluber poecilogaster Wied (Gibbons & Dorcas 2004)
1842 Tropidonotus niger Holbrook [not Tropidonotus natrix var. nigra Nordmann 1840] (Gibbons & Dorcas 2004)
1853 Nerodia agassizii Baird & Girard (Gibbons & Dorcas 2004)
1857 Tropidonotus obliquus Hallowell (Gibbons & Dorcas 2004)
1892 Natrix fasciata pleuralis Cope
Natrix sipedon pleuralis Clay 1938
Nerodia sipedon pleuralis Lawson 1987
1937 Natrix sipedon insularum Conant & Clay
Nerodia sipedon insularum Lawson 1987
1973 Natrix sipedon williamengelsi Conant & Lazell [substitute name for Natrix sipedon engelsi Barbour 1943, according to Gibbons & Dorcas 2004]

Other common names:
insularum: Lake Erie Water Snake
pleuralis: Midland Water Snake
sipedon: Common Water Snake
williamengelsi: Carolina Water Snake, Carolina Salt Marsh Snake
Remarks: Previously included clarkii and fasciata (e.g., Schmidt 1953).
Introduced to: USA (California).
Distribution: Canada (Ontario, Quebec), USA (Alabama, Arkansas, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York [incl. Long Island], North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, D.C., West Virginia, Wisconsin).


Nerodia taxispilota

American Brown Water Snake

Braune Wassernatter

Amerikansk Brun Vandsnog*

1838 Coluber taxispilotus Holbrook
Tropidonotus taxispilotus Holbrook 1842
Nerodia taxispilota Baird & Girard 1853
Natrix taxispilota Cope 1889
1887 Tropidonotus taxispilotus brocki Heilprin (Gibbons & Dorcas 2004)

Distribution: USA (Alabama, Florida, Georgia, North Carolina, South Carolina, Virginia).