"Bone-bed", near El Gigantillo Hill: Norian, Argentina
collected by R. Martínez et al. 2012
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Sphenodontidae
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Sphenotitan leyesi
Martinez et al. 2013
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Reptilia
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Crocodylomorpha indet.
(Hay 1930)
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1 specimen | |||||||||
| PVSJ 912 | ||||||||||
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Sauropodomorpha indet.
(Huene 1932)
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Pterosauria indet.
(Kaup 1834)
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1 specimen | |||||||||
| PSVJ 913 | ||||||||||
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Tritheledontidae
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aff. Tritheledontidae informal indet. 1
Broom 1912
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| new species 1 | ||||||||||
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aff. Tritheledontidae informal indet. 2
Broom 1912
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| new species 2 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | San Juan | County: | Caucete |
| Coordinates: | 31.6° South, 67.3° West (view map) | ||||
| Paleocoordinates: | 40.6° South, 30.2° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| Stage: | Norian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Norian | ||
| Age range of interval: | 227.00000 - 208.50000 m.y. ago |
Stratigraphy
| Geological group: | Marayes | Formation: | Quebrada del Barro | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: A late Norian age was recently proposed for this formation based on biostratigraphic correlations with the Los Colorados Formation from the neighboring Ischigualasto-Villa Unión Basin | |||||
Lithology and environment
| Primary lithology: | red muddy sandstone |
| Includes fossils? | Y |
| Environment: | fluvial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | -bonebed |
| Size of fossils: | macrofossils,mesofossils |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | R. Martínez et al. | Collection dates: | 2012 |
| Collection method comments: PVSJ, Instituto y Museo de Ciencias Naturales, San Juan, Argentina | |||
Metadata
| Database number: | 182614 | ||
| Authorizer: | R. Butler | Enterer: | R. Butler |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2016-11-11 06:16:52 | Last modified: | 2022-02-09 05:57:35 |
| Access level: | the public | Released: | 2016-11-11 06:16:52 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 60799. | R. N. Martínez, C. Apaldetti, G. Correa, C. E. Colombi, E. Fernández, P. S. Malnis, A. Praderio, D. Abelín, L. G. Benegas, A. Aguilar-Cameo, and O. A. Alcober. 2015. A new Late Triassic vertebrate assemblage from northwestern Argentina. Ameghiniana 52(4):379-390 [R. Butler/R. Butler/M. Carrano] |