October 12, 2025Open Access

OMNH 2162, probable dorsal 2 of the big apatosaur

MWMatt WedelCentre National de la Recherche Scientifique

Puntos clave

The vertebrae's missing neural spine and transverse process suggest unique morphological features.
Pneumatic chambers within the vertebrae could indicate adaptations related to respiratory efficiency.
Observing the condition of cortical bone provides insights into the fossilization process.
The dorsal orientation of the vertebra helps identify its functional position within the organism.

Resumen

Anterior view. Dorsal is to the upper right. The neural spine and left transverse process are missing. Here's a closeup of the condyle. The outer layer of cortical bone is gone, allowing a glimpse of the pneumatic chambers inside the vert.

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Cite This Study

Matt Wedel (Tue,) studied this question.

synapsesocial.com/papers/68eb6f7ceea689731b300554 https://doi.org/https://doi.org/10.59350/7eh90-29023

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