Hadrosaur Ischium – Two Medicine Formation
Approx. 30 Inches Long | Rare Formation | Natural Break for Easier Shipping

This is a rare and large hadrosaur Pubis (pelvic bone) from the Two Medicine Formation of Montana, a site known for yielding some of the most scientifically significant dinosaur fossils in North America. Measuring approximately 30 inches in length, this specimen is a substantial and visually striking example of hadrosaur post-cranial anatomy.

Key Features:

• Species: Hadrosaurid (duck-billed dinosaur)

• Formation: Two Medicine Formation, Montana, USA

• Age: Late Cretaceous (~75–77 million years ago)

• Length: Approx. 30 inches

• Condition:

  • Excellent bone quality

  • Clean natural break at the spinal end – makes transport and potential mounting easier

  • No significant restoration noted

Fossils from the Two Medicine Formation are considerably rarer and often highly valued for their scientific importance and preservation quality. This ischium is ideal for collectors, educators, or anyone building a high-quality dinosaur fossil collection.