Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page.
Dinosaur: Magyarosaurus dacus

Length*: | 5.6 m | 18.4 ft |
Weight*: | 520 kg | 1,146 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Maastrichtian
Years: 72.1–66 Ma
Details
Status: valid
Author: von Huene
Year: 1932
Distribution
Area: Europe
Country: Romania
Region: Transylvania
Formation: Sânpetru, Densuş-Ciula
Locations
Sources
Material: At least over a dozen individuals.
References: Stein, K., Csiki, Z., Curry Rogers, K., Weishampel, D.B., Redelstorff, R., Carballido, J.L. & Sander, P.M. (2010) "Small body size and extreme cortical bone remodeling indicate phyletic dwarfism in Magyarosaurus dacus (Sauropoda: Titanosauria).".