Catan Lil: Tithonian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Metriorhynchidae
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Dakosaurus andiniensis n. sp.
Vignaud and Gasparini 1996
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| MHNSR PV 344 - holotype (rostrum) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Mendoza |
| Coordinates: | 36.3° South, 69.5° West (view map) | ||
| Paleocoordinates: | 34.3° South, 32.2° West | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Tithonian | 10 m.y. bin: | Jurassic 6 |
| Key time interval: | Tithonian | ||
| Age range of interval: | 149.20000 - 145.00000 m.y. ago |
Stratigraphy
| Formation: | Vaca Muerta |
Lithology and environment
| Primary lithology: | black "shale" |
| Secondary lithology: | marl |
| Lithology description: "Transgressive deposits are mainly composed of thick cyclically stacked black shale and marl successions" | |
| Environment: | offshore indet. |
| Geology comments: "transgressive offshore marine sediments" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:"pliosaurs, ichthyosaurs, [and] other metriorhynchids" but not invertebrates are also found in the formation | |
Metadata
| Database number: | 72049 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2007-05-23 17:20:52 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2007-05-23 17:20:52 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24390. | Z. Gasparini, D. Pol, and L. A. Spalletti. 2006. An unusual marine crocodyliform from the Jurassic-Cretaceous boundary of Patagonia. Science 311:70-73 [J. Alroy/J. Alroy/J. Alroy] |