Earth:Tacuarembó Formation
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| Tacuarembó Formation Stratigraphic range: Kimmeridgian ~155–151 Ma | |
|---|---|
| Type | Geological formation |
| Sub-units | Batoví Member |
| Overlies | Buena Vista Formation |
| Lithology | |
| Primary | Sandstone |
| Other | Siltstone, mudstone |
| Location | |
| Coordinates | [ ⚑ ] : 31°42′S 56°00′W / 31.7°S 56.0°W |
| Paleocoordinates | [ ⚑ ] 40°12′S 15°42′W / 40.2°S 15.7°W |
| Region | Tacuarembó Department |
| Country |  Uruguay |
| Extent | Norte Basin |
| Type section | |
| Named for | Tacuarembó |
  Tacuarembó Formation (Uruguay) | |
The Tacuarembó Formation is a Late Jurassic (Kimmeridgian) geologic formation of the eponymous department in northern Uruguay. The fluvial to lacustrine sandstones, siltstones and mudstones preserve ichnofossils, turtles, crocodylomorphs, fish and invertebrates (bivalves and gastropods).
Fossil content
The following fossils have been reported from the formation:[1]
- Reptiles
- Meridiosaurus vallisparadisi[2]
- Tacuarembemys kusterae[3]
- cf. Ceratosaurus sp.[4][5]
- Coelurosauria indet.[6]
- Mesoeucrocodylia indet.[7]
- Testudines indet.[7]
- Tacuarembemys[8]
- Theropoda indet.[6]
- Torvosaurus sp. ("Torvosaurus ingens")[9]
- Tacuadactylus luciae[10]
- Fish
- Arganodus tiguidiensis[7]
- Asiatoceratodus tiguidiensis[7]
- Mawsonia gigas[11]
- Neoceratodus africanus[6]
- Priohybodus arambourgi[12][13]
- Halecostomi indet.[7]
- Semionotiformes indet.[6]
- Bivalves
- Gastropods
- Ichnofossils
See also
- List of fossiliferous stratigraphic units in Uruguay
References
- ↑ Tacuarembó Formation at Fossilworks.org
- ↑ Fortier et al., 2011
- ↑ Perea et al., 2014
- ↑ Soto & Perea, 2008
- ↑ Soto, Matías; Toriño, Pablo; Perea, Daniel (2020-11-01). "Ceratosaurus (Theropoda, Ceratosauria) teeth from the Tacuarembó Formation (Late Jurassic, Uruguay)" (in en). Journal of South American Earth Sciences 103: 102781. doi:10.1016/j.jsames.2020.102781. ISSN 0895-9811. http://www.sciencedirect.com/science/article/pii/S0895981120303242.
- ↑ 6.0 6.1 6.2 6.3 Perea et al., 2003
- ↑ 7.0 7.1 7.2 7.3 7.4 7.5 7.6 Soto & Perea, 2010
- ↑ Perea, Daniel; Soto, Matías; Veroslavsky, Gerardo; Martínez, Sergio; Ubilla, Martín (2009). "A Late Jurassic fossil assemblage in Gondwana: Biostratigraphy and correlations of the Tacuarembó Formation, Parana Basin, Uruguay" (in en). Journal of South American Earth Sciences 28 (2): 168–179. doi:10.1016/j.jsames.2009.03.009.
- ↑ Soto, Matías; Toriño, Pablo; Perea, Daniel (2020-03-01). "A large sized megalosaurid (Theropoda, Tetanurae) from the late Jurassic of Uruguay and Tanzania" (in en). Journal of South American Earth Sciences 98: 102458. doi:10.1016/j.jsames.2019.102458. ISSN 0895-9811. http://www.sciencedirect.com/science/article/pii/S089598111930505X.
- ↑ Soto, M.; Montenegro, F.; Mesa, V.; Perea, D. (2021). "A new ctenochasmatid (Pterosauria, Pterodactyloidea) from the late Jurassic of Uruguay". Journal of South American Earth Sciences 111: 103472. doi:10.1016/j.jsames.2021.103472.
- ↑ Toriño, Pablo; Soto, Matías; Perea, Daniel; Salgado De Carvalho, Marise Sardenberg (2021-04-01). "New findings of the coelacanth Mawsonia Woodward (Actinistia, Latimerioidei) from the Late Jurassic – Early Cretaceous of Uruguay: Novel anatomical and taxonomic considerations and an emended diagnosis for the genus" (in en). Journal of South American Earth Sciences 107: 103054. doi:10.1016/j.jsames.2020.103054. ISSN 0895-9811.
- ↑ Soto et al., 2012
- ↑ Perea, Daniel; Ubilla, Martin; Rojas, Alejandra; Goso, Cesar A. (November 2001). "The West Gondwanan Occurrence Of The Hybodontid Shark Priohybodus, And The Late Jurassic-Early Cretaceous Age Of The Tacuarembo Formation, Uruguay" (in en). Palaeontology 44 (6): 1227–1235. doi:10.1111/1475-4983.00222. ISSN 0031-0239.
- ↑ 14.0 14.1 14.2 Mesa & Perea, 2015
Bibliography
- Mesa, V., and D. Perea. 2015. First record of theropod and ornithopod tracks and detailed description of sauropod trackways from the Tacuarembó Formation (Late Jurassic–?Early Cretaceous) of Uruguay. Ichnos 22. 109-121.
- Perea, D.; M. Soto; J. Sterli; V. Mesa; P. Torino; G. Roland, and J. Da Silva. 2014. Tacuarembemys kusterae, gen. et sp. nov., a new Late Jurassic-?earliest Cretaceous continental turtle from western Gondwana. Journal of Vertebrate Paleontology 34. 1329-1341.
- Soto, M.; D. Perea, and P. Torino. 2012. New remains of Priohybodus aramourgi (Hybodontiformes: Hybodontidae) from Late Jurassic-earliest Cretaceous deposits in Uruguay. Cretaceous Research 35. 118-123.
- Fortier, D.; D. Perea, and C. Schultz. 2011. Redescription and phylogenetic relationships of Meridiosaurus vallisparadisi, a pholidosaurid from the Late Jurassic of Uruguay. Zoological Journal of the Linnean Society 163. S257-S272.
- Soto, M., and D. Perea. 2010. Late Jurassic lungfishes (Dipnoi) from Uruguay, with comments on the systematics of Gondwanan ceradontiforms. Journal of Vertebrate Paleontology 30. 1049-1058.
- Soto, M., and D. Perea. 2008. A ceratosaurid (Dinosauria, Theropoda) from the Late Jurassic–Early Cretaceous of Uruguay. Journal of Vertebrate Paleontology 28. 439-444.
- Perea, D.; M. Ubilla, and A. Rojas. 2003. First report of theropods from the Tacuarembó Formation (Late Jurassic–Early Cretaceous), Uruguay. Alcheringa 27. 79-83.
- Perea, D.; M. Ubilla; A. Rojas, and C.A. Goso. 2001. The West Gondwanan occurrence of the hybodontid shark Priohybodus, and the Late Jurassic–Early Cretaceous age of the Tacuarembó Formation, Uruguay. Palaeontology 44. 1227-1235.
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