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Gieysztoria variata Noreña-Janssen, 1995

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
Gieysztoria variata Noreña-Janssen, 1995
Name authority
Noreña-Janssen, 1995
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Platyhelminthes
Order
Rhabdocoela
Family
Dalyelliidae
Genus
Gieysztoria
Extinction status
Recorded extant

Source habitat flags: Marine: no · Freshwater: yes · 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. phylumPlatyhelminthes Minot, 1876
  4. subphylumRhabditophora Ehlers, 1985
  5. orderRhabdocoela Ehrenberg, 1831
  6. suborderDalytyphloplanida Willems, Wallberg, Jondelius, Littlewood, Backeljau, Schockaert & Artois, 2006
  7. infraorderNeotyphloplanida Willems, Wallberg, Jondelius, Littlewood, Backeljau, Schockaert & Artois, 2006
  8. parvorderLimnotyphloplanida Van Steenkiste, Tessens, Willems, Backeljau, Jondelius & Artois, 2013
  9. familyDalyelliidae Graff, 1905
  10. genusGieysztoria Ruebush & Hayes, 1939
  11. speciesGieysztoria variata Noreña-Janssen, 1995

Close classified relatives

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

SpeciesClassificationSource status
Gieysztoria (Marcusiella) okugawai (Ruebush & Hayes, 1939) Marcus, 1946DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria ashokae Van Steenkiste, Van Mulken & Artois, 2012DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria bellis Marcus, 1946DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria billabongensis Jondelius, 1997DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria chlynovica (Nasonov, 1919) Ruebush & Hayes, 1939DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria choctaw Van Steenkiste, Gobert & Artois, 2011DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria donnae Young, 1977DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria oligocentra (Steinböck, 1948) Luther, 1955DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria ornata (Hofsten, 1907) Ruebush & Hayes, 1939DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria pisana Kolasa, 1981DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria pseudoblodgetti Luther, 1955DalyelliidaePlatyhelminthesAccepted speciesRecorded extant
Gieysztoria pseudodiadema Norena-Janssen, 1995DalyelliidaePlatyhelminthesAccepted speciesExtinction status not supplied

Browse 29 records assigned to Dalyelliidae.

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. Noreña-Janssen, C. (1995). Studies on the taxonomy and ecology of the Turbellaria (Platyhelminthes) in the floodplain of the Paraná river (Argentina) II. Taxonomy and ecology of the Turbellaria. Archiv Für Hydrobiologie / Supplement 107 (Monographic Studies), 2: 211–262. 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:3FZWB. Classification follows source parent identifiers. English common names may vary by region.