Rio La Leona Valley, Cerro Fortaleza locality: Campanian, Argentina
collected 2005
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Dreadnoughtus schrani n. gen., n. sp.
Lacovara et al. 2014
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2 individuals | |||||||||
| MPM-PV 1156 – holotype, partially artic. partial skeleton: maxilla frag, tooth, posterior cervical vertebra, cervical ribs, multiple dorsal vertebrae & ribs, sacrum, 32 caudal vertebrae & 18 haemal arches [incl. an artic. sequence of 17 anterior & middle caudal vertebrae & their haemal arches], L pectoral girdle & forelimb minus the manus, both sternal plates, all pelvic elements, L hind limb lacking pes, and R tibia, metatarsals I & II, & pedal ungual I; MPM-PV 3546 – paratype, partially artic. postcranial skeleton of slightly smaller individual: partial anterior cervical vertebra, multiple dorsal vertebrae & ribs, sacrum, 7 caudal vertebrae & 5 haemal arches, all pelvic elements, and L femur. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Santa Cruz |
| Coordinates: | 49.9° South, 72.0° West (view map) | ||
| Paleocoordinates: | 52.4° South, 58.6° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | Cerro Fortaleza | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Approximately 350 m below the top of the formation
Campanian age (Ghiglione et al. 2021) | |||||
Lithology and environment
| Primary lithology: | "cross stratification" sandstone |
| Secondary lithology: | mudstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Mixed lithosome of sandstone with small-scale cross-bedding and scour-and-fill structures, and mudstone with allochthonous plant remains | |
| Environment: | crevasse splay |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | excellent |
| Associated major elements: | many |
| Disassociated major elements: | some |
| Fragmentation: | occasional |
| Bioerosion: | none |
| Encrustation: | none |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis | Collection dates: | 2005 |
| Collection method comments: MPM, Museo Padre Molina, Río Gallegos, Argentina | |
Metadata
| Also known as: | Dreadnoughtus type | ||
| Database number: | 161337 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion |
| Modifier: | F. Aspromonte | Research group: | vertebrate |
| Created: | 2014-09-04 08:59:50 | Last modified: | 2023-12-11 08:01:43 |
| Access level: | the public | Released: | 2014-09-04 08:59:50 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 52577. | K. J. Lacovara, M. C. Lamanna, L. M. Ibiricu, J. C. Poole, E. R. Schroeter, P. V. Ullmann, K. K. Voegele, Z. M. Boles, A. M. Carter, E. K. Fowler, V. M. Egerton, A. E. Moyer, C. L. Coughenour, J. P. Schein, J. D. Harris, R. D. Martínez, and F. E. Novas. 2014. A gigantic, exceptionally complete titanosaurian sauropod dinosaur from southern Patagonia, Argentina. Scientific Reports 4:6196:1-9 [P. Mannion/P. Mannion/M. Carrano] |
Secondary references:
| 68540 | P. V. Ullmann and K. J. Lacovara. 2016. Appendicular osteology of Dreadnoughtus schrani, a giant titanosaurian (Sauropoda, Titanosauria) from the Upper Cretaceous of Patagonia, Argentina. Journal of Vertebrate Paleontology 36(6):e1225303:1-22 [M. Carrano/M. Carrano] |