FREY & MARTILL, 1996

Locality: Big Bend National Park, Brewster County, Texas.

Horizon: Tornillo Group.

Biostratigraphy:

Age: Lancian Age, Maastrichtian Stage, Upper Senonian Stage, Upper Gulf Epoch, Late Cretaceous.

Material:

TMM 42422-32, 41544-15: 2 cervical 5.

TMM 41544-3, 41954-6: Digit 5 of 1st phalanx.

TMM 42422-20: Cervical 6.

TMM 42161-1: Cervical 7.

TMM 41544-16: Cervical 3.

TMM 42422-24: Cervical 3.

HOWSE, 1986

BMNH R9323: Cast of TMM 41544.8

BMNH R9325: Cast of TMM 41544.15

BMNH R9326: Cast of TMM 41544.16

LANGSTON, 1981

TMM?: Humerus of a juvenile?

TMM 42138-1, 41450-3: Humeri.