Observational analysis highlights pneumaticity features in caudal vertebrae of rebbachisaurids, suggesting evolutionary adaptations.
Fig. 2. Rebbachisauridae indet. (MDPA-Pv 007) from the Sierra Chata locality (Candeleros Formation) Cenomanian (Upper Cretaceous). Anterior caudal vertebra in anterior ( A1 , A3 ), posterior ( A4 , A6 ), and left lateral ( A7 , A9 ) views.
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