A prehistoric presentation of osteoarthritis (degenerative joint disease) in the marine reptile Tylosaurus

Abstract

The fossilized remains of Tylosaurus, a gigantic marine predator from the time of the dinosaurs, were uncovered in the Late Cretaceous of South Dakota. Gross pathology was noted on the right fore-paddle. Investigation found considerable osteophyte growth on the appendicular surfaces of the right humerus, radius, and ulna, indicative of osteoarthritis, a chronic degenerative joint disease. Faculty Sponsor: Professor Isabella Reye

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Last time updated on 30/05/2025

This paper was published in [email protected]..

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