Symphysurus is a genus of trilobite of the Asaphida order. These fast-moving nektonic carnivores lived in the Ordovician period[1][2]
| Symphysurus Temporal range:
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| Symphysurus fossil from the Ordovician period, Iran | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Asaphida |
| Family: | †Nileidae |
| Genus: | †Symphysurus Goldfuss, 1843 |
References
edit- ^ Kraft, Petr; Bruthansová, Jana; Mikuláš, Radek (2020-01-01). "Feeding traces related to shells from the Prague Basin, Czech Republic (Tremadocian to early Darriwilian, Ordovician)". Palaeogeography, Palaeoclimatology, Palaeoecology. 537: 109399. doi:10.1016/j.palaeo.2019.109399. ISSN 0031-0182.
- ^ "Symphysurus Goldfuss, 1843". www.gbif.org. Retrieved 2024-02-16.
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