New Biomechanical Analysis Reassesses the Speed and Function of Diplodocid Tails
- 演化之聲
- Mar 14
- 5 min read
Sauropod dinosaurs are famous for their enormous body size and their remarkably long necks and tails. Among them, diplodocids possessed some of the most extreme tail elongation known in vertebrate animals, a feature that has long intrigued researchers and prompted numerous hypotheses about the function of these tails.
The diplodocid tail consisted of roughly eighty caudal vertebrae. Their morphology shows a clear pattern of gradual simplification from the base toward the tip. The proximal portion begins with about ten large and anatomically complex vertebrae forming the base of the tail. This is followed by a middle section composed of roughly forty vertebrae. Finally, the terminal region consists of around thirty progressively smaller rod-like vertebrae. These distal vertebrae are slender and lack many of the complex anatomical features seen closer to the body, which allows for greater mobility between successive elements.
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