flagtail wormfish
Clarkichthys bilineatus (Clark, 1936)
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
The flagtail wormfish (Clarkichthys bilineatus) is a species of wormfish native to the Pacific coast of the Americas from Mexico to Colombia as well as the Galápagos Islands. It is an inhabitant of tide pools and reefs being found down to a depth of about 8 metres (26 ft). This species grows to a length of 6.2 centimetres (2.4 in) SL. This species is the only known member of the genus Clarkichthys. The generic name is a compound noun made up of the surname Clark, to honour the American ichthyologist H. Walton Clark (1870–1941) who described the species and ichthys the Greek for "fish".
Wikipedia contributors, Flagtail wormfish; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T06:39:05.521819+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Clarkichthys bilineatus (Clark, 1936)
- Name authority
- (Clark, 1936)
- Common name
- flagtail wormfish
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Gobiiformes
- Family
- Microdesmidae
- Genus
- Clarkichthys
- 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
- orderGobiiformes
- familyMicrodesmidae Regan, 1912
- subfamilyMicrodesminae Regan, 1912
- genusClarkichthys Smith, 1958
- speciesClarkichthys bilineatus (Clark, 1936)
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 |
|---|---|
| Cerdale bilineatus Clark, 1936 Clark, 1936 | synonym |
| Clarkichthyes bilineatus (Clark, 1936) (Clark, 1936) | 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=280208 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:VRNF. Classification follows source parent identifiers. English common names may vary by region.