Symphysurus Temporal range: | |
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Symphysurus fossil from the Ordovician period, Iran | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | † Trilobita |
Order: | † Asaphida |
Family: | † Nileidae |
Genus: | † Symphysurus Goldfuss, 1843 |
Symphysurus is a genus of trilobite of the Asaphida order. These fast-moving nektonic carnivores lived in the Ordovician period [1] [2]