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NATURAL HISTORY · CATALOGUE RECORD

Trididemnum meridionale Millar, 1953

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
Trididemnum meridionale Millar, 1953
Name authority
Millar, 1953
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Ascidiacea
Order
Aplousobranchia
Family
Didemnidae
Genus
Trididemnum
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.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumTunicata
  5. classAscidiacea Blainville, 1824
  6. orderAplousobranchia Lahille, 1886
  7. familyDidemnidae Giard, 1872
  8. genusTrididemnum Della Valle, 1881
  9. speciesTrididemnum meridionale Millar, 1953

Close classified relatives

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

SpeciesClassificationSource status
Trididemnum alexi Lambert, 2003DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum areolatum (Herdman, 1906)DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum banneri Eldredge, 1967DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum cereum (Giard, 1872)DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum clinides Kott, 1977DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum cristatum Kott, 2001DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum cyclops Michaelsen, 1921DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum discrepans (Sluiter, 1909)DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum dispersum (Sluiter, 1909)DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum fetia Monniot C. & Monniot F., 1987DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum inarmatum (Drasche, 1883)DidemnidaeChordataAccepted speciesExtinction status not supplied
Trididemnum lanugineum Monniot F., 2010DidemnidaeChordataAccepted speciesExtinction status not supplied

Browse 552 records assigned to Didemnidae.

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. Millar, R. H. (1953). On the collection of ascidians from the Gold Coast. Proc. Zool. Oc. London, 123. 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:58NYN. Classification follows source parent identifiers. English common names may vary by region.