MythscribeMundus
THE NATURAL & IMAGINED WORLDAn illustrated compendium
NATURAL HISTORY · CATALOGUE RECORD

Apionichthys finis (Eigenmann, 1912)

Source-backed taxonomic record

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

Apionichthys finis is a species of sole in the family Achiridae. It was described by Carl H. Eigenmann in 1912, originally under the genus Soleonasus. It inhabits the Essequibo, Potaro and Amazon rivers. It reaches a maximum standard length of 8.8 cm (3.5 in).

Wikipedia contributors, Apionichthys finis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:02:21.481914+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Apionichthys finis (Eigenmann, 1912)
Name authority
(Eigenmann, 1912)
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Order
Pleuronectiformes
Family
Achiridae
Genus
Apionichthys
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.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumVertebrata
  5. infraphylumGnathostomata
  6. parvphylumOsteichthyes
  7. gigaclassActinopterygii
  8. superclassActinopteri
  9. classTeleostei
  10. orderPleuronectiformes
  11. suborderPleuronectoidei
  12. familyAchiridae Rafinesque, 1815
  13. genusApionichthys Kaup, 1858
  14. speciesApionichthys finis (Eigenmann, 1912)

Close classified relatives

These entries share the source’s genus, Apionichthys. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Apionichthys nattereri (Steindachner, 1876)AchiridaeChordataAccepted speciesExtinction status not supplied
Apionichthys sauli Ramos, 2003AchiridaeChordataAccepted speciesExtinction status not supplied
Apionichthys seripierriae Ramos, 2003AchiridaeChordataAccepted speciesExtinction status not supplied

Browse 22 records assigned to Achiridae.

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

Recorded nameSource status
Soleonasus finis Eigenmann, 1912 Eigenmann, 1912synonym

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.

  1. https://www.marinespecies.org/aphia.php?p=taxdetails&id=1017570 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:FMJW. Classification follows source parent identifiers. English common names may vary by region.