Eutaw Formation
# Eutaw Formation

The Eutaw Formation is a geological formation in North America, within the U.S. states of Alabama, Georgia, and Mississippi. The strata date from the late Coniacian to the early Santonian stage of the Late Cretaceous. It consists of the upper Tombigbee Sand Member and an unnamed lower member. Dinosaur, mosasaur, and pterosaur remains have been recovered from the Eutaw Formation.

## Vertebrate paleofauna

### Mosasaurs

Mosasaurs of the Eutaw Formation :

| Taxa | Species | State | Notes | Images |
| - | - | - | - | - |
| Clidastes | Clidastes sp. | Alabama. | A mosasaurine | Eonatator sternbergii Platecarpus tympaniticus |
| Eonatator | E. sternbergii | Alabama. | A halisaurine E. sternbergii was formerly classified as Halisaurus sternbergii | Eonatator sternbergii Platecarpus tympaniticus |
| Platecarpus | P. tympaniticus | Alabama. | A plioplatecarpine | Eonatator sternbergii Platecarpus tympaniticus |
| Selmasaurus | S. russelli | Alabama. | A plioplatecarpine | Eonatator sternbergii Platecarpus tympaniticus |
| Tylosaurus | Tylosaurus sp. | Alabama. | A tylosaurine | Eonatator sternbergii Platecarpus tympaniticus |

### Ornithodires

Dinosaur feathers have been found in the Ingersoll Shale of Georgia, which is a subunit of the Eutaw Formation. Indeterminate hadrosaurid remains have been found in Mississippi. Ornithomimosaurs of medium-size and large-size have also been unearthed in Mississippi.

Ornithodires of the Eutaw Formation :

| Genus | Species | State | Stratigraphic position | Abundance | Notes | Images |
| - | - | - | - | - | - | - |
| Pteranodon | Indeterminate | Georgia. | | | A pteranodontid | Pteranodon sp. |
