| Olenelloidea Temporal range:
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|---|---|
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| Olenellus gilberti | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Redlichiida |
| Suborder: | †Olenellina |
| Superfamily: | †Olenelloidea Walcott, 1890 |
| Families | |
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stem group genera: | |
The Olenelloidea are a superfamily of trilobites, a group of extinct marine arthropods. They lived during the late Lower Cambrian and species occurred on all paleocontinents.