AnchisauriaDicraeosauridaeDinosauriaDiplodocimorphaDiplodocoideaEarly CretaceousEusaurischiaEusauropodaFlagellicaudataGravisauriaMassopodaNeosauropodaPlateosauriaSaurischiaSauropodaSauropodiformesSauropodomorphaSouth America

Bajadasaurus pronuspinax

Dinosaur: Bajadasaurus pronuspinax

Type: Sauropod

Length*: 11.5 m 37.7 ft
Weight*: 2.2 tons 4,850 lb
*The largest known specimen

ESR: 1.5 / 4 (estimated size reliability)


Material: Nearly complete skull, axis and cervical vertebra.
References: Gallina, P. A., Apesteguía, S., Canale, J. I., & Haluza, A. (2019). A new long-spined dinosaur from Patagonia sheds light on sauropod defense system.


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