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NATURAL HISTORY · CATALOGUE RECORD

Ctenocidaris polyplax Mortensen, 1950

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
Ctenocidaris polyplax Mortensen, 1950
Name authority
Mortensen, 1950
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Echinodermata
Class
Echinoidea
Order
Cidaroida
Family
Ctenocidaridae
Genus
Ctenocidaris
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.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumEchinodermata
  4. subphylumEchinozoa
  5. classEchinoidea Schumacher, 1817
  6. subclassCidaroidea Smith, 1984
  7. orderCidaroida Claus, 1880
  8. superfamilyCidaroidea Gray, 1825
  9. familyCtenocidaridae Mortensen, 1928
  10. genusCtenocidaris Mortensen, 1910
  11. speciesCtenocidaris polyplax Mortensen, 1950

Close classified relatives

These entries share the source’s genus, Ctenocidaris. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Ctenocidaris (Eurocidaris) nutrix (Thomson, 1876)CtenocidaridaeEchinodermataAccepted speciesRecorded extant
Ctenocidaris geliberti (Koehler, 1912)CtenocidaridaeEchinodermataAccepted speciesRecorded extant
Ctenocidaris rugosa (Koehler, 1926)CtenocidaridaeEchinodermataAccepted speciesRecorded extant
Ctenocidaris speciosa Mortensen, 1910CtenocidaridaeEchinodermataAccepted speciesRecorded extant

Browse 5 records assigned to Ctenocidaridae.

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. Mortensen, T. (1950). Reports of the BANZAR Antarctic Research Expedition 1929-1931: Echinoidea. The BANZAR Expedition Committee, Adelaide, 4. 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:325LF. Classification follows source parent identifiers. English common names may vary by region.