Helisoma kettlemanensis Pilsbry, 1934
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
- Helisoma kettlemanensis Pilsbry, 1934
- Name authority
- Pilsbry, 1934
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Mollusca
- Class
- Gastropoda
- Family
- Planorbidae
- Genus
- Helisoma
- Extinction status
- Recorded extinct
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.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumMollusca
- classGastropoda Cuvier, 1795
- subclassHeterobranchia Burmeister, 1837
- infraclassEuthyneura Spengel, 1881
- subterclassTectipleura
- superorderHygrophila A. Férussac, 1822
- familyPlanorbidae Rafinesque, 1815
- subfamilyPlanorbinae Rafinesque, 1815
- tribeHelisomatini F. C. Baker, 1928
- genusHelisoma Swainson, 1840
- speciesHelisoma kettlemanensis Pilsbry, 1934
Close classified relatives
These entries share the source’s genus, Helisoma. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Helisoma llanerensis (K. van W. Palmer, 1945) | PlanorbidaeMollusca | Accepted speciesRecorded extinct |
| Helisoma marshalli (R. Arnold, 1909) | PlanorbidaeMollusca | Accepted speciesRecorded extinct |
| Helisoma sanctaeclarae (Hannibal, 1909) | PlanorbidaeMollusca | Accepted speciesRecorded extinct |
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.
- Pilsbry, H. A. (1934). Pliocene fresh-water fossils of the Kettleman Hills and neighboring Californian oil fields. The Nautilus, 48. 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:3KD5M. Classification follows source parent identifiers. English common names may vary by region.