Helogenes uruyensis Fernández-Yépez, 1967
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
Helogenes uruyensis is a species of freshwater ray-finned fishes belonging to the family Cetopsidae, the whale catfishes. This species is endemic to Venezuela, where it is found in the Uruyén River basin. This species reaches a standard length of 4.3 cm (1.7 in).
Wikipedia contributors, Helogenes uruyensis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:45:16.950773+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Helogenes uruyensis Fernández-Yépez, 1967
- Name authority
- Fernández-Yépez, 1967
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Siluriformes
- Family
- Cetopsidae
- Genus
- Helogenes
- 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
- familyCetopsidae Bleeker, 1858
- subfamilyHelogeninae Regan, 1911
- genusHelogenes Günther, 1863
- speciesHelogenes uruyensis Fernández-Yépez, 1967
Close classified relatives
These entries share the source’s genus, Helogenes. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Helogenes gouldingi Vari & Ortega, 1986 | CetopsidaeChordata | Accepted speciesExtinction status not supplied |
| Helogenes castaneus (Dahl, 1960) | CetopsidaeChordata | Accepted speciesExtinction status not supplied |
| Helogenes marmoratus Günther, 1863 | CetopsidaeChordata | 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 |
|---|---|
| Helogenes marmoratus uruyensis Fernández-Yépez, 1967 Fernández-Yépez, 1967 | 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.
- Fernández-Yépez, A. (1967). Primera contribución al conocimiento de los peces, con descripción de dos especies y una subespecie nuevas. Acta Biologica Venezuelica, Resultados zoológicos de la expedición de la Universidad Central de Venezuela a la región de Ayantepui en la Guayana venezolana, Abril de 1956 – 6. 5 (art. 10): 159–177. [English summary.]. 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:3KH3B. Classification follows source parent identifiers. English common names may vary by region.