![Trilobite fossil](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/TR-Ameura.jpg)
![Trilobite fossil](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/TR-Ameura-1024x990.jpg)
Ameura sangamonensisOU 4201; Trilobite; Upper Carboniferous (Pennsylvanian); Francis Formation; Pontotoc County, Oklahoma; CC BY-NC-ND 4.0
Ameura sangamonensis
![Trilobite fossil](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/TR-Ditomopyge.jpg)
![Trilobite fossil](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/TR-Ditomopyge-935x1024.jpg)
Ditomopyge sp.Trilobite; Upper Carboniferous (Pennsylvanian); Big Branch Formation; Love County, Oklahoma; CC BY-NC-ND 4.0