TMBB Plesiosaur Bone Bed

Locality: Upper Judith River Formation of Montana

Description: An exceptional river deposit composed mostly of juvenile plesiosaurs (elasmosaurs and polycotylids) but also containing remains of dinosaurs, mosasaurs, sharks, champsosaurs and fish. Data from this site could show breeding behavior of plesiosaurs in the late Cretaceous.

Comments: Prepared in full. Approximately 350 bones.

Availability: Immediately.

Price: $24,000

A SMALL SAMPLING OF SPECIMENS…

Polycotyld Plesiosaur vertebraSite during excavation

Site during excavation

Juvenile plesiosaur femur/humerus Elasmosaur cervical vertebra

Elasmosaur cervical vertebra