Apomatoceros alleni Eigenmann, 1922
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
Apomatoceros is a monospecific genus of freshwater ray-finned fish belonging to the family Trichomycteridae, the pencil and parasitic catfishes, and the subfamily Stegophilinae, the parasitic catfishes. The only species in the genus is Apomatoceros alleni. This fish grows to about 14.6 centimetres (5.7 in) SL and originates from the Amazon River. The specific name honours the collector of the type, zoologist William Ray Allen of Indiana University.
Wikipedia contributors, Apomatoceros; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:03:09.615095+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Apomatoceros alleni Eigenmann, 1922
- Name authority
- Eigenmann, 1922
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Siluriformes
- Family
- Trichomycteridae
- Genus
- Apomatoceros
- 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
- familyTrichomycteridae Bleeker, 1858
- subfamilyStegophilinae Günther, 1864
- genusApomatoceros Eigenmann, 1922
- speciesApomatoceros alleni Eigenmann, 1922
Close classified relatives
No other member of this genus is present in the selected snapshot.
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.
- Eigenmann, C. H. (1922). On a new genus and two new species of Pygidiidae, a family of South American nematognaths. Bijdragen Tot de Dierkunde, 22: 113–114, Pls. 3–4. https://doi.org/10.1163/26660644-02201016 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:5VPGH. Classification follows source parent identifiers. English common names may vary by region.