Chañares River, 2 km north: Ladinian, Argentina
collected by A. Romer & J. Jensen 1964
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cynodontia
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Cynodontia indet.
Owen 1861
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Romer 1972 | 1 specimen | ||||||||
| "gomphodont skull" | ||||||||||
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Reptilia
- Proterochampsidae
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Tropidosuchus romeri
Arcucci 1990
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Sereno and Arcucci 1994 | 1 individual | ||||||||
| UPLR, unnumbered | ||||||||||
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Reptilia
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Lagosuchus talampayensis n. gen., n. sp.
Romer 1971
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Romer 1971 | 1 individual | ||||||||
| nomen dubium belonging to Dinosauriformes | ||||||||||
| UPLR 09 | ||||||||||
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Reptilia
- Gracilisuchidae
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Gracilisuchus stipanicicorum n. gen., n. sp.
Romer 1972
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Romer 1972 | 4 specimens | ||||||||
| UPLR 08 (holotype) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | La Rioja |
| Coordinates: | 29.8° South, 67.8° West (view map) | ||
| Paleocoordinates: | 49.9° South, 37.8° West | ||
| Basis of coordinate: | estimated from map | ||
| Altitude: | 1485 meters | ||
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Ladinian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Ladinian | ||
| Age range of interval: | 242.00000 - 237.00000 m.y. ago |
Stratigraphy
| Geological group: | Agua de la Peña | Formation: | Chañares |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | fluvial-lacustrine indet. |
Taphonomy
| Modes of preservation: | body,concretion |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Disassociated minor elements: | some |
| Fragmentation: | occasional |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | selective quarrying,mechanical,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | MCZ,MLP | ||
| Collectors: | A. Romer & J. Jensen | Collection dates: | 1964 |
Metadata
| Database number: | 60293 | ||
| Authorizer: | M. Carrano, R. Butler | Enterer: | M. Carrano, R. Butler |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Subset of collection #: | 26092 | ||
| Created: | 2006-05-09 08:23:14 | Last modified: | 2012-04-09 17:13:17 |
| Access level: | the public | Released: | 2006-05-09 08:23:14 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 17343. | ETE | A. S. Romer and J. A. Jensen. 1966. The Chañares (Argentina) Triassic reptile fauna. II. Sketch of the geology of the Río Chañares-Río Gualo region. Breviora 252:1-20 [M. Carrano/M. Carrano] |
Secondary references:
| 13750 | ETE | A. S. Romer. 1971. The Chañares (Argentina) Triassic reptile fauna. X. Two new but incompletely known long-limbed pseudosuchians. Breviora 378:1-10 [M. Carrano/M. Carrano/M. Carrano] |
| 17320 | ETE | A. S. Romer. 1972. The Chañares (Argentina) Triassic reptile fauna. XIII. An early ornithosuchid pseudosuchian, Gracilisuchus stipanicicorum, gen. et sp. nov. Breviora 389:1-24 [M. Carrano/M. Carrano/M. Carrano] |
| 4303 | 5% 16180 | P. C. Sereno and A. B. Arcucci. 1994. Dinosaurian precursors from the Middle Triassic of Argentina: Marasuchus lilloensis, gen. nov. Journal of Vertebrate Paleontology 14(1):53-73 [J. Alroy/R. Whatley/M. Carrano] |