finless flounder
Achiropsetta tricholepis Norman, 1930
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
Achiropsetta tricholepis, the Finless flounder or Prickly flounder, is a species of southern flounder with a southern circumpolar distribution. It lives in the Southwest Atlantic Ocean off Patagonia, the Falkland Islands and the Burdwood Bank, and also off the Ob Bank, Kerguelen Islands, Crozet Islands, and the Campbell Plateau. It is usually caught in depths of 21 to 1,186 metres (69 to 3,891 ft). This species can grow to 39 centimetres (15 in) TL.
Wikipedia contributors, Finless flounder; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T06:00:06.974038+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Achiropsetta tricholepis Norman, 1930
- Name authority
- Norman, 1930
- Common name
- finless flounder
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Pleuronectiformes
- Family
- Achiropsettidae
- Genus
- Achiropsetta
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · Freshwater: no · 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
- orderPleuronectiformes
- suborderPleuronectoidei
- familyAchiropsettidae Heemstra, 1990
- genusAchiropsetta Norman, 1930
- speciesAchiropsetta tricholepis Norman, 1930
Close classified relatives
No other member of this genus is present in the selected snapshot.
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Mancopsetta argentina Lahille, 1939 Lahille, 1939 | synonym |
| Mancopsetta tricholepis (Norman, 1930) (Norman, 1930) | synonym |
| Achiropsetta heterolepis Evseenko, 1987 Evseenko, 1987 | 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.
- Norman, J. R. (1930). Oceanic fishes and flatfishes collected in 1925-1927. Discovery Reports, 2: 261–369, Pl. 2. 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:97WP. Classification follows source parent identifiers. English common names may vary by region.