Our individual bones are professionally collected from private property and professionally prepared and restored at our facility in Woodland Park, Colorado. In addition to the specimens shown, we have a vast inventory of bones to fit your needs, from mosasaurs and fish to dinosaurs from the Hell Creek Formation. If you don’t see what you’re looking for, contact mike@trieboldpaleontology.com or tracie@trieboldpaleontology.com for details.

Thescelosaurus neglectus femur with stand

Discovered recently in the Hell Creek Formation of Harding County,South Dakota. Age 66 million years old. Professionally prepared and restored, ships with custom fabricated steel stand, ready for display. Available immediately. Dimensions: Total height  Bone length 14″ (36cm) . SOLD

Large Hadrosaur tibia

This large tibia (shin bone) from a duck-billed dinosaur was recovered from the Judith River Formation of Fergus County, Montana. Age 78 million years old. Specimen is mounted on a custom fabricated steel display stand and is ready for display. Dimensions: Total height 48″ (123cm) bone length 42″ (106cm). SOLD

Raptor claw

From the Judith River Formation, Fergus County, Montana. Excellent bone quality, however tip is restored. Size: 1 1/4″ (32mm) Price: $1500 Free Shipping

Bulk dinosaur bone

Fossil bone fragments from many kinds of dinosaurs, sold by the pound. Contact for availability.

Tyrannosaurus rex $25/pound

Mosasaur $3/pound