Loma del Pterodaustro fossil site: Cretaceous, Argentina
collected by Field-work team 1994, 1996, 1998
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Actinopteri
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| see common names | |||||||
Geography
| Country: | Argentina | State/province: | San Luis | County: | Hualtaran |
| Coordinates: | 32.4° South, 67.2° West (view map) | ||||
| Paleocoordinates: | 29.2° South, 28.0° West (Wright 2013) | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous |
| 10 m.y. bin: | Cretaceous 1-8 |
| Key time interval: | Cretaceous |
| Age range of interval: | 143.1 - 66 m.y. ago |
Stratigraphy
| Geological group: | El Gigante | Formation: | Lagarcito | Member: | Lower |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | planar lamination mudstone |
| Includes fossils? | Y |
| Environment: | lacustrine - small |
| Geology comments: The fossil association and the geological evidence indicate that the Lagarcito Formation represents a perennial shallow lake situated in an alluvial plain where detrital sedimentation an semiarid climatic conditions predominated (Chiappe et al., 1995). | |
Taphonomy
| Modes of preservation: | adpression |
| Degree of concentration: | concentrated |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Abundance in sediment: | rare |
Collection methods and comments
| Collection excludes: | all macrofossils,all microfossils | ||
| Collection methods: | mechanical,survey of museum collection | ||
| Collection size: | 1 specimens | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Field-work team | Collection dates: | 1994, 1996, 1998 |
| Collection method comments: Repository: Musco Municipal de Ciencias Naturales de Mar del Plata, Argentina (MMP) | |||
Metadata
| Database number: | 134523 | ||
| Authorizer: | S. Peters | Enterer: | S. McMullen | Research group: | freshwater,vertebrate |
| Created: | 2012-10-10 12:16:57 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-10-10 12:16:57 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 43250. | A. López-Arbarello and L. Codorniú. 2007. Semionotids (Neopterygii, Semionotiformes) from the Lower Cretaceous Lagarcito Formation, San Luis Province, Argentina. Journal of Vertebrate Paleontology 27(4):811-826 [S. Peters/S. McMullen] |