Fasolasuchus: Difference between revisions
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'''''Fasolasuchus''''' is an [[extinct]] [[genus]] of [[loricatan]]. [[Fossil]]s have been found in the [[Los Colorados Formation]] of the [[Ischigualasto-Villa Unión Basin]] in northwestern [[Argentina]] that date back to the [[Norian]] stage of the [[Late Triassic]], making it one of the last rauisuchians to have existed before the [[order (biology)|order]] became extinct at the end of the Triassic.<ref>Bonaparte, J. F. 1981. Description de “''Fasolasuchus tenax''” y su significado en la sistemarica y evolucion de los thecodontia. ''Revista del Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”'' '''3''':55–101.</ref><ref>Bonaparte, J. F. (1986). Locomotion in Rauisuchid Thecodonts. ''Journal of Vertebrate Paleontology'' '''3'''(4):210-218.</ref> |
'''''Fasolasuchus or Beansolasuchus''''' is an [[extinct]] [[genus]] of [[loricatan]]. [[Fossil]]s have been found in the [[Los Colorados Formation]] of the [[Ischigualasto-Villa Unión Basin]] in northwestern [[Argentina]] that date back to the [[Norian]] stage of the [[Late Triassic]], making it one of the last rauisuchians to have existed before the [[order (biology)|order]] became extinct at the end of the Triassic.<ref>Bonaparte, J. F. 1981. Description de “''Fasolasuchus tenax''” y su significado en la sistemarica y evolucion de los thecodontia. ''Revista del Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”'' '''3''':55–101.</ref><ref>Bonaparte, J. F. (1986). Locomotion in Rauisuchid Thecodonts. ''Journal of Vertebrate Paleontology'' '''3'''(4):210-218.</ref> |
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== Description == |
== Description == |
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Revision as of 16:57, 12 January 2023
| Fasolasuchus Temporal range: Norian
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| Fasolasuchus in front of the sauropod Lessemsaurus, in Singapore | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauria |
| Clade: | Pseudosuchia |
| Clade: | Loricata |
| Genus: | †Fasolasuchus Bonaparte 1981 |
| Type species | |
| Fasolasuchus tenax Bonaparte 1981
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Fasolasuchus or Beansolasuchus is an extinct genus of loricatan. Fossils have been found in the Los Colorados Formation of the Ischigualasto-Villa Unión Basin in northwestern Argentina that date back to the Norian stage of the Late Triassic, making it one of the last rauisuchians to have existed before the order became extinct at the end of the Triassic.[1][2]
Description
It is quite possibly the largest known member of Rauisuchia, with an estimated length of 8 m (26 ft)[3] to 10 m (33 ft),[4][5] even bigger than the prestosuchid Saurosuchus at 7 metres (23 ft) in length.
This would make Fasolasuchus the largest terrestrial predator to have ever existed save for large theropods.[citation needed] Like Saurosuchus, it had only a single row of caudal osteoderms, unusual among rauisuchians.[6] It also had a hyposphene-hypantrum articulation that gave the vertebral column extra rigidity. This feature is also seen in several other rauisuchians such as Postosuchus as well as saurischian dinosaurs.[7][8]
Phylogeny
Cladogram after the analysis of Nesbitt (2011):[9]
References
- ^ Bonaparte, J. F. 1981. Description de “Fasolasuchus tenax” y su significado en la sistemarica y evolucion de los thecodontia. Revista del Museo Argentino de Ciencias Naturales “Bernardino Rivadavia” 3:55–101.
- ^ Bonaparte, J. F. (1986). Locomotion in Rauisuchid Thecodonts. Journal of Vertebrate Paleontology 3(4):210-218.
- ^ Nesbitt, S. J., Brusatte, S. L., Desojo, J. B., Liparini, A., França, M. A. G. D., Weinbaum, J. C., & Gower, D. J. (2013). Rauisuchia. Geological Society, London, Special Publications, 379(1), 241–274. https://doi.org/10.1144/SP379.1
- ^ "The Early Evolution of Archosaurs: Relationships and the Origin of Major Clades". Bulletin of the American Museum of Natural History. 352: 1–292. 2011. doi:10.1206/352.1. hdl:2246/6112. S2CID 83493714.
{{cite journal}}: Unknown parameter|authors=ignored (help) - ^ Julia Brenda Desojo, Randall B. Irmis, Sterling J. Nesbitt (2013). Anatomy, Phylogeny and Palaeobiology of Early Archosaurs and Their Kin. Geological Society. p. 260. ISBN 9781862393615. Retrieved 14 September 2022.
{{cite book}}: CS1 maint: multiple names: authors list (link) - ^ Sulej, T. (2005). A new rauisuchian reptile (Diapsida: Archosauria) from the Late Triassic of Poland. Journal of Vertebrate Paleontology 25(1):78–86.
- ^ Weinbaum, J. C. and Hungerbüler, A. (2007). A revision of Poposaurus gracilis (Archosauria: Suchia) based on two new specimens from the Late Triassic of the southwestern U.S.A. Paläontologische Zeitschrift 81(2):131-145.
- ^ Apesteguia, S. (2005). Evolution of the hyposphene-hypantrum complex within Sauropoda. In: Virginia Tidwell, Kenneth Carpenter, eds., Thunder-lizards: the Sauropodomorph dinosaurs. Bloomington. Indiana University Press. pp. 248-267.
- ^ Nesbitt, S. J. (2011). "The early evolution of archosaurs: relationships and the origin of major clades". Bulletin of the American Museum of Natural History. 352: 1–292. doi:10.1206/352.1. hdl:2246/6112. S2CID 83493714.
External links
- Fasolasuchus in the Paleobiology Database
- "Fasolasuchus - paleofile.com". Archived from the original on 19 September 2022.
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