Arthroaspis
| Arthroaspis Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | †Trilobitomorpha |
| Subclass: | †Conciliterga |
| Genus: | †Arthroaspis Stein, M., Budd, G.E., Peel, J.S. et al 2013 |
| Species: | †A. bergstroemi |
| Binomial name | |
| †Arthroaspis bergstroemi Stein, M., Budd, G.E., Peel, J.S. et al 2013 | |
Arthroaspis is an extinct genus of arthropod known from the Cambrian aged Sirius Passet Lagerstatte in Greenland. It is relatively large in size for Cambrian arthropods, attaining a length of up to 215 mm. It is a common component of the Passet fauna, being located at multiple localities within the formation. It possessed 14 tergites. In the describing paper, it was recovered as a member of a non-monophyletic Artiopoda. It has subsequently been considered a potential close relative of nektaspids. Another paper from 2025 which re-analyzed the Burgess Shale artiopod Helmetia expansa, found Arthroaspis to be a basal member of the Conciliterga, within the Trilobitomorpha.