BUCHY, SMITH, FREY, STINNESBECK, GONZALEZ, IFRIM, LOPEZ-OLIVIA & PORRAS-MUZQUIZ, 2005
Locality: Muzquiz, Coahuila State, Mexico.
Horizon: Austin Group.
Biostratigraphy:
Age: Late Turonian Stage, Upper Gallic Subepoch, Upper Middle Cretaceous- Early Coniacian Stage, Lower Gulf Epoch, Early Late Cretaceous.
Material:
MHM PAS 336: 16 articulated vertebrae.
Note: Has tooth marks on 4 of the upper neural spines.
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