Cerro de los Leones, level 1: Early/Lower Albian, Argentina
collected by J. F. Bonaparte 1997-2004
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Testudines
|
||||||||||
|
Testudines indet.
Batsch 1788
|
||||||||||
|
Reptilia
|
||||||||||
|
Theropoda indet.
(Marsh 1881)
|
||||||||||
|
Sauropoda indet.
(Marsh 1878)
|
20 specimens | |||||||||
| Isolated teeth | ||||||||||
|
? Pterosauria indet.
(Kaup 1834)
|
2 specimens | |||||||||
| MCF-PVPH-741, 743, isolated teeth | ||||||||||
|
Bivalvia
|
||||||||||
|
Bivalvia indet.
Linnaeus 1758
|
6 specimens | |||||||||
|
Bivalvia
- Cardiida
- Corbiculidae
|
||||||||||
|
Neocorbicula dinosauriorum
|
50 specimens | |||||||||
|
Neocorbicula pehuenchensis
|
23 specimens | |||||||||
|
Gastropoda
- Heterostropha
- Physidae
|
||||||||||
|
Physa wichmanni
|
17 specimens | |||||||||
|
Polypodiopsida
- Equisetales
|
||||||||||
|
cf. Equisetales indet.
Dumortier 1829
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Neuquén |
| Coordinates: | 39.6° South, 69.4° West (view map) | ||
| Paleocoordinates: | 43.7° South, 39.4° West | ||
| Basis of coordinate: | estimated from map | ||
| Altitude: | 445 meters | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Early/Lower Albian | ||
| Age range of interval: | 113.00000 - 109.90000 m.y. ago |
Stratigraphy
| Formation: | Lohan Cura | Member: | Cullín Grande | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: The Cullín Grande Member is the upper part of the Lohan Cura Formation | |||||
Lithology and environment
| Primary lithology: | bioturbation,fine,quartzose sandstone | ||
| Includes fossils? | Y | ||
| Lithology description: Quartzitic, fine-grained sandstone | |||
| Environment: | "floodplain" | Tectonic setting: | foreland basin |
| Geology comments: "The sedimentary sequence of the Lohan Cura Formation was developed in a retro-arc foreland stage that began in the Early Albian as the result of Gondwanan break-up" "Thick sequence of meandering fluvial deposits...levels 1 corresponds to ephemeral floods and shallow water bodies" | |||
Taphonomy
| Modes of preservation: | body,cast |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Disassociated minor elements: | some |
| Fragmentation: | frequent |
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,sieve,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | J. F. Bonaparte | Collection dates: | 1997-2004 |
Metadata
| Database number: | 92234 | ||
| Authorizer: | R. Butler | Enterer: | R. Butler |
| Modifier: | R. Butler | Research group: | vertebrate |
| Created: | 2009-11-04 02:40:59 | Last modified: | 2009-11-04 04:56:43 |
| Access level: | the public | Released: | 2009-11-04 02:40:59 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 31075. | A. G. Martinelli, A. C. Garrido, A. M. Forasiepi, E. R. Paz, and Y. Gurovich. 2007. Notes on fossil remains from the Early Cretaceous Lohan Cura Formation, Neuquén Province, Argentina. Gondwana Research 11:537-552 [R. Butler/R. Butler] |