Symphysurus

Symphysurus Temporal range: Ordovician PreꞒ Ꞓ O S D C P T J K Pg N
Symphysurus fossil from the Ordovician period, Iran
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	† Artiopoda
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]}

References

1. 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.
2. "Symphysurus Goldfuss, 1843". www.gbif.org. Retrieved 2024-02-16.