DAVIS & CIFELLI, 2011

Locality: Tomato Hill (OMNH locality V706), Atoka County, Oklahoma.

Horizon: Antlers Formation.

Biostratigraphy:

Age: Cashenranchian age, Aptian or Albian Stage, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

OMNH 61642: Rm1 (trigonid only).

OMNH 33940: Rmx (trigonid only).

OMNH 33945: Lmx (trigonid only).

OMNH 61643: Rmx (trigonid only).

OMNH 63728: Rmx (trigonid only).

Locality: Tricondont Gully, Greenwood Canyon, near Forestburg, Montague County, Eastern Texas.

Horizon: Upper Antlers Formation, Trinity Group.

Biostratigraphy:

Age: Comanchean, Lower Cashenranchian age, Early to Middle Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.

Material:

PM 1287: LM4.

PM 660: Rmx (trigonid only).

PM 965: Rmx.