1 km east of Cerro Cóndor: Middle Toarcian, Argentina
collected by J. F. Bonaparte 1977, 1982-1983
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Piatnitzkysauridae
|
||||||||||
|
Piatnitzkysaurus floresi n. gen., n. sp.
Bonaparte 1979
|
2 individuals | |||||||||
| PVL 4073; MACN-CH 895 (6 measurements) | ||||||||||
|
Reptilia
- Cetiosauridae
|
||||||||||
| 4 individuals | ||||||||||
| PVL 4075, 4076, 4617; MACN-CH 934 | ||||||||||
|
Reptilia
|
||||||||||
|
Volkheimeria chubutensis n. gen., n. sp.
Bonaparte 1979
|
1 individual | |||||||||
| PVL 4077 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 43.4° South, 69.2° West (view map) | ||
| Paleocoordinates: | 43.2° South, 14.2° West (Wright 2013) | ||
| Basis of coordinate: | estimated from map | ||
| Altitude: | 1811 meters | ||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Toarcian | 10 m.y. bin: | Jurassic 3 |
| *Period: | Middle Jurassic | ||
| *International age/stage: | Callovian | ||
| Key time interval: | Middle Toarcian | ||
| Age range of interval: | 182.9 - 180.4 m.y. ago | ||
| Age estimate: | 179.17 ± 0.12 to 178.07 ± 0.21 Ma (U/Pb) | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Sierra de Olte | Formation: | Cañadón Asfalto | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: lower third of formation. Sierra de Olte Group = Lonco Trapial Group; upper level with theropod, lower with sauropods
U-Pb dates provided by Pol et al. (2020) | |||||
Lithology and environment
| Primary lithology: | sandy tuff | ||
| Includes fossils? | Y | ||
| Lithology description: "rocky tuff beds with flint...arenaceous tuff" | |||
| Environment: | fluvial-lacustrine indet. | Tectonic setting: | volcanic basin |
| Geology comments: "deposits of medium-energy water flow" | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | many |
| Disassociated major elements: | many |
| Disassociated minor elements: | some |
| Fragmentation: | occasional |
| Encrustation: | none |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | MACN | ||
| Collectors: | J. F. Bonaparte | Collection dates: | 1977, 1982-1983 |
| Collection method comments: Collections made during 1977, 1982, and 1983, but not subdivided into distinct collections in the texts. | |||
Metadata
| Also known as: | Cerro Cóndor South, Cerro Cóndor Sur | ||
| Database number: | 28534 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2003-02-18 13:15:13 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2003-02-18 13:15:13 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 7879. | J. F. Bonaparte. 1979. Dinosaurs: a Jurassic assemblage from Patagonia. Science 205:1377-1378 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 7851 | 5% 31920 | J. F. Bonaparte. 1980. Jurassic tetrapods from South America and dispersal routes. In L. L. Jacobs (ed.), Aspects of Vertebrate History: Essays in Honor of Edwin Harris Colbert 73–98 [M. Carrano/M. Carrano/M. Carrano] |
| 55099 | J. F. Bonaparte. 1981. Inventario de los vertebrados Jurásicos de América del Sur [Inventory of the Jurassic vertebrates of South America]. In W. Volkheimer & E. A. Musaccio (ed.), Cuencas Sedimentarias del Jurásico y Cretácico de América del Sur 2:661-684 [M. Carrano/M. Carrano] | |
| 30646 | ETE | J. F. Bonaparte. 1984. Jurassic and Cretaceous terrestrial vertebrates of South America. National Geographic Society Research Reports (1975) 16:115-125 [M. Carrano/M. Carrano] |
| 7880 | J. F. Bonaparte. 1986. Les dinosaures (Carnosaures, Allosauridés, Sauropodes, Cétosauridés) du Jurassique Moyen de Cerro Cóndor (Chubut, Argentina) [The dinosaurs (carnosaurs, allosaurids, sauropods, cetiosaurids) from the Middle Jurassic of Cerro Cóndor (Chubut, Argentina)]. Annales de Paléontologie (Vert.-Invert.) 72(3):247-289 [M. Carrano/M. Carrano/M. Carrano] | |
| 7881 | J. F. Bonaparte. 1986. Les dinosaures (Carnosaures, Allosauridés, Sauropodes, Cétosauridés) du Jurassique Moyen de Cerro Cóndor (Chubut, Argentina) [The dinosaurs (carnosaurs, allosaurids, sauropods, cetiosaurids) from the Middle Jurassic of Cerro Cóndor (Chubut, Argentina)]. Annales de Paléontologie (Vert.-Invert.) 72(3):325-386 [M. Carrano/M. Carrano/M. Carrano] | |
| 90624 | F. M. Holwerda, O. W. M. Rauhut, and D. Pol. 2021. Osteological revision of the holotype of the Middle Jurassic sauropod dinosaur Patagosaurus fariasi Bonaparte, 1979 (Sauropoda: Cetiosauridae). Geodiversitas 43(16):575–643 [M. Carrano/M. Carrano] | |
| 74383 | D. Pol, J. Ramezani, K. Gomez, J. L. Carballido, A. Paulina Carabajal, O. W. M. Rauhut, I. H. Escapa and N. R. Cúneo. 2020. Extinction of herbivorous dinosaurs linked to Early Jurassic global warming event. Proceedings of the Royal Society of London B 287:20202310:1-7 [P. Mannion/P. Mannion/P. Mannion] | |
| 13861 | ETE | O. W. M. Rauhut. 2003. A dentary of Patagosaurus (Sauropoda) from the Middle Jurassic of Patagonia. Ameghiniana 40(3):425-432 [M. Carrano/M. Carrano/M. Carrano] |
| 25673 | O. W. M. Rauhut. 2007. A fragmentary theropod skull from the Middle Jurassic of Patagonia. Ameghiniana 44(2):479-483 [M. Carrano/M. Carrano] |