|
Common Ordovician Fossils of Oklahoma
|
|||
| Trilobites (What is a Trilobite?) : | |||
|
Isotelus from the Viola Group.
Ceraurus from the Bromide Formation. |
Cryptolithus from the Viola Group.
Homotelus from the Bromide Formation. |
Ceraurus from the Viola Group.
Bumastoides from the Bromide Formation. |
|
| Brachiopods (What is a brachiopod?) | |||