NATURAL HISTORY · CATALOGUE RECORD
Plainbelly Water Snake
Nerodia erythrogaster (Forster, 1771)
Source-backed taxonomic record
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Identity & source status
- Scientific name
- Nerodia erythrogaster (Forster, 1771)
- Name authority
- (Forster, 1771)
- Common name
- Plainbelly Water Snake
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Nerodia
- Extinction status
- Not supplied by this source
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classReptilia Laurenti, 1768
- orderSquamata Oppel, 1811
- suborderSerpentes Linnaeus, 1758
- infraorderAlethinophidia Nopcsa, 1923
- familyColubridae
- subfamilyNatricinae
- genusNerodia
- speciesNerodia erythrogaster (Forster, 1771)
Close classified relatives
These entries share the source’s genus, Nerodia. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Southern Water SnakeNerodia fasciata (Linnaeus, 1766) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Florida Green Water SnakeNerodia floridana (Goff, 1936) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Northern Water SnakeNerodia sipedon (Linnaeus, 1758) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Brown Water SnakeNerodia taxispilota (Holbrook, 1838) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Salt Marsh SnakeNerodia clarkii (Baird & Girard, 1853) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Mississippi Green Water SnakeNerodia cyclopion (Duméril, Bibron & Duméril, 1854) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Brazos Water SnakeNerodia harteri (Trapido, 1941) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Concho Water SnakeNerodia paucimaculata (Tinkle & Conant, 1961) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Diamondback Water SnakeNerodia rhombifer (Hallowell, 1852) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Nerodia couchii Kennicott, 1860 Kennicott, 1860 | synonym |
| Natrix erythrogaster flavigaster Conant, 1949 Conant, 1949 | synonym |
| Natrix erythrogaster neglecta Conant, 1949 Conant, 1949 | synonym |
| Tropidonotus transversus Hallowell, 1852 Hallowell, 1852 | synonym |
| Coluber erythrogaster Forster, 1771 Forster, 1771 | synonym |
| Nerodia woodhousii Baird & Girard, 1853 Baird & Girard, 1853 | synonym |
| Natrix erythrogaster alta Conant, 1963 Conant, 1963 | synonym |
| Natrix erythrogaster bogerti Conant, 1953 Conant, 1953 | synonym |
| Tropidonotus roulei Chabanaud, 1917 Chabanaud, 1917 | synonym |
| Tropidonotus woodhousii Hallowell, 1852 Hallowell, 1852 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://reptile-database.reptarium.cz/species?genus=Nerodia&species=erythrogaster Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:476BG. Classification follows source parent identifiers. English common names may vary by region.