DOUGLASS, 1902

Locality: Near Fish Creek, in Sweetgrass County, Montana.

Horizon: Fort Pierre Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Fragmentary skeleton with nearly a dozen Nautili were found among the bones.

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LULL & WRIGHT, 1942

Locality: Big Bend of the Rio Grande, Brewster County, Texas.

Horizon: Aguja Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Number: Not given: Several limb bones and vertebrae.