Gastrioceras williamsi Miller & Cline, 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
- Gastrioceras williamsi Miller & Cline, 1934
- Name authority
- Miller & Cline, 1934
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Mollusca
- Class
- Cephalopoda
- Order
- Ammonoidea
- Family
- Gastrioceratidae
- Genus
- Gastrioceras
- Extinction status
- Recorded extinct
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
- classCephalopoda Cuvier, 1795
- orderAmmonoidea
- superfamilyGastriocerataceae
- familyGastrioceratidae
- genusGastrioceras
- speciesGastrioceras williamsi Miller & Cline, 1934
Close classified relatives
These entries share the source’s genus, Gastrioceras. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Gastrioceras formosum McCaleb, 1963 | GastrioceratidaeMollusca | Accepted speciesRecorded extinct |
| Gastrioceras liratum Nassichuk, 1975 | GastrioceratidaeMollusca | Accepted speciesRecorded extinct |
| Gastrioceras magoffinense Work et al., 2012 | GastrioceratidaeMollusca | Accepted speciesRecorded extinct |
| Gastrioceras montgomeryense (Miller & Gurley, 1896) | GastrioceratidaeMollusca | Accepted speciesRecorded extinct |
| Gastrioceras planorbiformis (Shumard, 1855) | GastrioceratidaeMollusca | Accepted speciesRecorded extinct |
| Gastrioceras prone Miller & Owen, 1937 | GastrioceratidaeMollusca | 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.
- Miller, A. K., & Cline, L. M. (1934). The cephalopods of the Phosphoria Formation of northwestern United States. Journal of Paleontology 3: 281--, 302. 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:3FD2R. Classification follows source parent identifiers. English common names may vary by region.