Holotype: FMNH PR171

Locality: West Green Locality, Greene County, Alabama.

Horizon: Mooreville Chalk, Selma Formation.

Biostratigraphy: Middle Tylosaurus Acme-zone – Clidastes Acame zone.

Age: Niobraran age, Upper Santonian-Lower Campanian Stage, Senoniain Subepoch, Gulf Epoch, Late Cretaceous.

Material: 2 costal plates, 3 neurals, and a fragment of a hypoplastron.

Referred material:

Locality: Moore Brothers farm, Harrell locality, Dallas County, Alabama.

Horizon: Mooreville Chalk, Selma Formation.

Biostratigraphy: Middle Tylosaurus Acme-zone – Clidastes Acame zone.

Age: Niobraran age, Upper Santonian-Lower Campanian Stage, Senoniain Subepoch, Gulf Epoch, Late Cretaceous.

Material:

FMNH P27485: Left fifth peripheral.

 

Locality: Central part of large Harrell locality, Dallas County, Alabama.

Horizon: Mooreville Chalk, Selma Formation.

Biostratigraphy: Middle Tylosaurus Acme-zone – Clidastes Acame zone.

Age: Niobraran age, Upper Santonian-Lower Campanian Stage, Senoniain Subepoch, Gulf Epoch, Late Cretaceous.

Material:

FMNH P27397: A number of very poorly preserved fragments, including a peripheral.