Somniosus longus (Tanaka, 1912)
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
- Somniosus longus (Tanaka, 1912)
- Name authority
- (Tanaka, 1912)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Elasmobranchii
- Order
- Squaliformes
- Family
- Somniosidae
- Genus
- Somniosus
- 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
- parvphylumChondrichthyes
- classElasmobranchii
- subclassNeoselachii
- infraclassSelachii
- superorderSqualomorphi
- orderSqualiformes Compagno, 1973
- familySomniosidae Jordan, 1888
- genusSomniosus Lesueur, 1818
- speciesSomniosus longus (Tanaka, 1912)
Close classified relatives
These entries share the source’s genus, Somniosus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Pacific sleeper sharkSomniosus pacificus Bigelow & Schroeder, 1944 | SomniosidaeChordata | Accepted speciesExtinction status not supplied |
| little sleeper sharkSomniosus rostratus (Risso, 1827) | SomniosidaeChordata | Accepted speciesExtinction status not supplied |
| Somniosus antarcticus Whitley, 1939 | SomniosidaeChordata | Accepted speciesExtinction status not supplied |
| Greenland sharkSomniosus microcephalus (Bloch & Schneider, 1801) | SomniosidaeChordata | 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 |
|---|---|
| Heteroscymnus longus Tanaka, 1912 Tanaka, 1912 | 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.
- https://www.marinespecies.org/aphia.php?p=taxdetails&id=299106 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:4Y8YF. Classification follows source parent identifiers. English common names may vary by region.