![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Stittella-1.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Stittella-1-1024x662.jpg)
Stittella beeaeOU 12463: Trilobite; Upper Cambrian; Honey Creek Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Stittella beeae
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Xenocheilus-1.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Xenocheilus-1-1024x980.jpg)
Xenocheilos sp.Trilobite; Upper Cambrian; Honey Creek Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Xenocheilos sp.
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Plataspella-1.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Plataspella-1-826x1024.jpg)
Plataspella simplicitasOU 12448; Trilobite; Upper Cambrian; Honey Creek Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Plataspella simplicitas
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/IrvingellaDR-12.2-.45-x6.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/IrvingellaDR-12.2-.45-x6-1024x728.jpg)
Irvingella majorTrilobite; Upper Cambrian; Honey Creek Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Irvingella major
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/EuptychaspisCC-1298-x-12.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/EuptychaspisCC-1298-x-12-786x1024.jpg)
Euptychaspis sp.Trilobite; Upper Cambrian; Signal Mountain Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Euptychaspis sp.
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/OU4284-4x_01.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/OU4284-4x_01-637x1024.jpg)
Dokimocephalus oliveriOU 4284; Trilobite; Upper Cambrian; Honey Creek Formation; Murray County, Oklahoma; CC BY-NC-ND 4.0
Dokimocephalus oliveri
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/DrumaspisCC-491-x12.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/DrumaspisCC-491-x12-1024x782.jpg)
Drumaspis sp.Trilobite; Upper Cambrian; Fort Sill Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Drumaspis sp.
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/KR2-49.2-x3-0019.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/KR2-49.2-x3-0019-920x1024.jpg)
Dokimocephalus intermediusOU 12254; Trilobite; Upper Cambrian; Honey Creek Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Dokimocephalus intermedius
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Burnetiella-1.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Burnetiella-1-1024x892.jpg)
Burnetiella exilisOU 12456; Trilobite; Upper Cambrian; Honey Creek Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Burnetiella exilis
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Bartonaspis-1.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/04/Bartonaspis-1-1024x991.jpg)
Bartonaspis fredericksoniOU 12208 (Holotype); Trilobite; Upper Cambrian; Honey Creek Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0
Bartonaspis fredericksoni
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/ApatokephaloidesCC-1479-x15.jpg)
![Trilobite cranidium](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/ApatokephaloidesCC-1479-x15-1024x784.jpg)
Apatokephaloides sp.Trilobite; Upper Cambrian; Signal Mountain Formation; Comanche County, Oklahoma; CC BY-NC-ND 4.0