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Phractocephalus hemioliopterus (Bloch & Schneider, 1801)

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.

Identity & source status

Scientific name
Phractocephalus hemioliopterus (Bloch & Schneider, 1801)
Name authority
(Bloch & Schneider, 1801)
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Order
Siluriformes
Family
Pimelodidae
Genus
Phractocephalus
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. orderSiluriformes
  11. familyPimelodidae Bonaparte, 1835
  12. genusPhractocephalus Agassiz, 1829
  13. speciesPhractocephalus hemioliopterus (Bloch & Schneider, 1801)

Close classified relatives

No other member of this genus is present in the selected snapshot.

Browse 82 records assigned to Pimelodidae.

Names & synonyms

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

Recorded nameSource status
Phractocephalus bicolor Spix & Agassiz, 1829 Spix & Agassiz, 1829synonym
Pimelodus grunniens Humboldt, 1821 Humboldt, 1821synonym
Rhamdia grunniens (Humboldt, 1821) (Humboldt, 1821)synonym
Silurus hemioliopterus Bloch & Schneider, 1801 Bloch & Schneider, 1801synonym

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=1026980 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:4GTL9. Classification follows source parent identifiers. English common names may vary by region.