NO
NO · native · native
NATURAL HISTORY · CATALOGUE RECORD
Erratencrinurus (Erratencrinurus) imperfectus Owen, 1981
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
- Erratencrinurus (Erratencrinurus) imperfectus Owen, 1981
- Name authority
- Owen, 1981
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Trilobita
- Order
- Phacopida
- Family
- Encrinuridae
- Genus
- Erratencrinurus
- 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
- phylumArthropoda
- classTrilobita
- orderPhacopida
- familyEncrinuridae
- genusErratencrinurus
- subgenusErratencrinurus
- speciesErratencrinurus (Erratencrinurus) imperfectus Owen, 1981
Close classified relatives
These entries share the source’s genus, Erratencrinurus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Erratencrinurus (Celtencrinurus) kiaeri Owen, 1981 | EncrinuridaeArthropoda | Accepted speciesRecorded extinct |
| Erratencrinurus (Erratencrinurus) brutoni Owen, 1981 | EncrinuridaeArthropoda | Accepted speciesRecorded extinct |
| Erratencrinurus lapworthi (Tripp, 1980) | EncrinuridaeArthropoda | Accepted speciesRecorded extinct |
| Erratencrinurus neuter (Evitt & Tripp, 1978) | EncrinuridaeArthropoda | Accepted speciesRecorded extinct |
| Erratencrinurus spicatus (Tripp, 1974) | EncrinuridaeArthropoda | Accepted speciesRecorded extinct |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
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.
- Owen, A. W. (1981). The Ashgill Trilobites of the Oslo Region, Norway. Palaeontographica Abteilung A: 1--, 88. 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:3B9J4. Classification follows source parent identifiers. English common names may vary by region.