Trilobite
Olenellus
Early Cambrian trilobite
Olenellus is the early Cambrian redlichiid with crescentic eyes, long genal spines and a tiny tail, found in the Pioche Shale of Nevada, the Latham Shale of California and the Kinzers Formation of Pennsylvania. It is an index fossil for the Cambrian Series 2 and a desirable specimen because complete examples are scarce. Nevada material from BLM land may be collected casually but not sold.
| Phylum | Arthropoda |
|---|---|
| Class | Trilobita |
| Order | Redlichiida |
| Family | Olenellidae |
| Group | Trilobite |
| Rank (PBDB) | genus· Paleobiology Database |
| Author | (Hall 1861)· Paleobiology Database |
| Classification (PBDB) | Arthropoda › Trilobita › Redlichiida › Olenellidae· Paleobiology Database |
| Range (PBDB) | 521–487 Ma· Paleobiology Database |
| PBDB occurrences | 353· Paleobiology Database |
Elsewhere
- GBIF: 4636107
- PBDB: 19149
- Wikidata: Q26270
- PBDB taxon page
- Wikipedia: Olenellus
- PBDB search: Olenellus
Cite this article
Stratum Study. "Olenellus" (Taxon). Stratum Study pack 2026.09, as of 2026-09-19. https://stratum.black/study/taxa/olenellus. Accessed 2026-09-20.
@misc{stratum-olenellus,
title = {Olenellus},
author = {{Stratum Study}},
howpublished = {\url{https://stratum.black/study/taxa/olenellus}},
year = {2026},
note = {Taxon article, Stratum Study pack 2026.09, as of 2026-09-19; sources: stratum, pbdb, wikidata, commons. Accessed 2026-09-20.}
} Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.