Atlantic tomcod
Microgadus tomcod (Walbaum, 1792)
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.
Open encyclopedia reference
Microgadus tomcod, also commonly known as frostfish, Atlantic tomcod or winter cod, is a type of cod found in North American coastal waters from the Gulf of St. Lawrence, Estuary of St. Lawrence River and northern Newfoundland, south to Virginia.
Wikipedia contributors, Microgadus tomcod; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T04:53:32.873110+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Microgadus tomcod (Walbaum, 1792)
- Name authority
- (Walbaum, 1792)
- Common name
- Atlantic tomcod
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Gadiformes
- Family
- Gadidae
- Genus
- Microgadus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · Freshwater: yes · Terrestrial: no. These do not form a complete habitat description.
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
- gigaclassActinopterygii
- superclassActinopteri
- classTeleostei
- orderGadiformes
- familyGadidae Rafinesque, 1810
- genusMicrogadus Gill, 1865
- speciesMicrogadus tomcod (Walbaum, 1792)
Close classified relatives
These entries share the source’s genus, Microgadus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Pacific tomcodMicrogadus proximus (Girard, 1854) | GadidaeChordata | 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 |
|---|---|
| Gadus tomcodus luteus Mitchill, 1814 Mitchill, 1814 | synonym |
| Gadus frost Walbaum, 1792 Walbaum, 1792 | synonym |
| Gadus pruinosus Mitchill, 1814 Mitchill, 1814 | synonym |
| Gadus tomcodus fuscus Mitchill, 1814 Mitchill, 1814 | synonym |
| Morrhua pruinosa (Mitchill, 1814) (Mitchill, 1814) | synonym |
| Morrhua tomcodus (Walbaum, 1792) (Walbaum, 1792) | synonym |
| Gadus tomcod luteus Mitchill, 1814 Mitchill, 1814 | synonym |
| Gadus tomcod fuscus Mitchill, 1814 Mitchill, 1814 | synonym |
| Gadus tomcodus mixtus Mitchill, 1814 Mitchill, 1814 | synonym |
| Gadus tomcodus polymorphus Mitchill, 1815 Mitchill, 1815 | synonym |
| Gadus tomcod Walbaum, 1792 Walbaum, 1792 | synonym |
| Gadus polymorphus Mitchill, 1815 Mitchill, 1815 | synonym |
| Gadus tomcodus | synonym |
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://www.marinespecies.org/aphia.php?p=taxdetails&id=158928 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:42WJ3. Classification follows source parent identifiers. English common names may vary by region.