Isorineloricaria villarsi (Lütken, 1874)
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
Isorineloricaria villarsi is a species of catfish in the family Loricariidae. Some sources, notably FishBase, recognize this species as Squaliforma villarsi. It is native to South America, where it is known only from the Maracaibo basin in northwestern Venezuela and extreme eastern Colombia.
Wikipedia contributors, Isorineloricaria villarsi; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:55:01.941780+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Isorineloricaria villarsi (Lütken, 1874)
- Name authority
- (Lütken, 1874)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Siluriformes
- Family
- Loricariidae
- Genus
- Isorineloricaria
- 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
- orderSiluriformes
- familyLoricariidae Rafinesque, 1815
- subfamilyHypostominae Kner, 1853
- tribePeckoltini Armbruster & Lujan, 2025
- genusIsorineloricaria Isbrücker, 1980
- speciesIsorineloricaria villarsi (Lütken, 1874)
Close classified relatives
These entries share the source’s genus, Isorineloricaria. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Isorineloricaria spinosissima (Steindachner, 1880) | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Isorineloricaria acuarius Ray & Armbruster, 2016 | LoricariidaeChordata | 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 |
|---|---|
| Plecostomus villarsi Lütken, 1874 Lütken, 1874 | synonym |
| Squaliforma villarsi (Lütken, 1874) (Lütken, 1874) | synonym |
| Hypostomus villarsi (Lütken, 1874) (Lütken, 1874) | 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=1846036 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:PRCF7. Classification follows source parent identifiers. English common names may vary by region.