Nocomis biguttatus (Kirtland, 1840)
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
The hornyhead chub (Nocomis biguttatus) is a species of freshwater fish belonging to the family Leuciscidae, the shiners, daces and minnows. It mainly inhabits small rivers and streams of the northern central USA, up into Canada. The adults inhabit faster, rocky pools of rivers.
Wikipedia contributors, Hornyhead chub; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:20:55.767733+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Nocomis biguttatus (Kirtland, 1840)
- Name authority
- (Kirtland, 1840)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Cypriniformes
- Family
- Cyprinidae
- Genus
- Nocomis
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: no · 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
- orderCypriniformes
- familyCyprinidae Rafinesque, 1815
- subfamilyLeuciscinae Bonaparte, 1835
- genusNocomis Girard, 1856
- speciesNocomis biguttatus (Kirtland, 1840)
Close classified relatives
These entries share the source’s genus, Nocomis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Nocomis asper Lachner & Jenkins, 1971 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Nocomis effusus Lachner & Jenkins, 1967 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| bluehead chubNocomis leptocephalus (Girard, 1856) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Nocomis micropogon (Cope, 1865) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Nocomis platyrhynchus Lachner & Jenkins, 1971 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Nocomis raneyi Lachner & Jenkins, 1971 | CyprinidaeChordata | 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 |
|---|---|
| Luxilus kentuckiensis Rafinesque, 1820 Rafinesque, 1820 | synonym |
| Hybopsis biguttatus (Kirtland, 1840) (Kirtland, 1840) | synonym |
| Semotilus biguttatus Kirtland, 1840 Kirtland, 1840 | synonym |
| Ceratichthys stigmaticus Cope, 1865 Cope, 1865 | synonym |
| Nocomis nebracensis Girard, 1856 Girard, 1856 | synonym |
| Ceratichthys cyclotis Cope, 1865 Cope, 1865 | 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=1021410 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:47KTN. Classification follows source parent identifiers. English common names may vary by region.