Cycloachelous orbitosinus (Rathbun, 1911)
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
- Cycloachelous orbitosinus (Rathbun, 1911)
- Name authority
- (Rathbun, 1911)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Malacostraca
- Order
- Decapoda
- Family
- Portunidae
- Genus
- Cycloachelous
- Extinction status
- Recorded extant
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
- phylumArthropoda
- subphylumCrustacea
- classMalacostraca
- orderDecapoda
- suborderPleocyemata
- infraorderBrachyura Latreille, 1802
- section zoologyEubrachyura de Saint Laurent, 1980
- subsection zoologyHeterotremata Guinot, 1977
- superfamilyPortunoidea Rafinesque, 1815
- familyPortunidae Rafinesque, 1815
- subfamilyPortuninae Rafinesque, 1815
- genusCycloachelous Ward, 1942
- speciesCycloachelous orbitosinus (Rathbun, 1911)
Close classified relatives
These entries share the source’s genus, Cycloachelous. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Cycloachelous granulatus (H. Milne Edwards, 1834) | PortunidaeArthropoda | Accepted speciesRecorded extant |
| Cycloachelous octodentatus (Gordon, 1938) | PortunidaeArthropoda | Accepted speciesRecorded extant |
| Cycloachelous orbicularis (Richters, 1880) | PortunidaeArthropoda | Accepted speciesRecorded extant |
| Cycloachelous suborbicularis (Stephenson, 1975) | PortunidaeArthropoda | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Portunus (Achelous) orbitosinus Rathbun, 1911 Rathbun, 1911 | synonym |
| Neptunus (Achelous) orbitosinus (Rathbun, 1911) (Rathbun, 1911) | synonym |
| Portunus orbitosinus Rathbun, 1911 Rathbun, 1911 | 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=217280 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:32TCL. Classification follows source parent identifiers. English common names may vary by region.