Askeptosauridae: Difference between revisions
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{{Short description|Extinct family of reptiles}} |
{{Short description|Extinct family of reptiles}} |
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{{Automatic taxobox |
{{Automatic taxobox |
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| name = |
| name = Askeptosaurids |
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| fossil_range = [[Anisian]]-[[Norian]], {{fossil range|247|221.5}} |
| fossil_range = [[Anisian]]-[[Norian]], {{fossil range|247|221.5}} |
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| image = Askeptosaurus fossile.JPG |
| image = Askeptosaurus fossile.JPG |
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| authority = Kuhn-Schnyder, [[1952 in paleontology|1952]] |
| authority = Kuhn-Schnyder, [[1952 in paleontology|1952]] |
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| subdivision_ranks = Subgroups |
| subdivision_ranks = Subgroups |
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| subdivision = |
| subdivision = * {{extinct}}''[[Askeptosaurus]]'' |
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* {{extinct}}''[[Askeptosaurus]]'' |
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* {{extinct}}''[[Anshunsaurus]]'' |
* {{extinct}}''[[Anshunsaurus]]'' |
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* {{extinct}}''[[Miodentosaurus]]'' |
* {{extinct}}''[[Miodentosaurus]]'' |
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Revision as of 22:00, 23 September 2022
| Askeptosaurids | |
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| Skeleton of Askeptosaurus italicus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | †Thalattosauria |
| Superfamily: | †Askeptosauroidea |
| Family: | †Askeptosauridae Kuhn-Schnyder, 1952 |
| Subgroups | |
Askeptosauridae is a family of thalattosaurs within the superfamily Askeptosauroidea. Fossils have been found from Italy, Switzerland, and China. Askeptosaurids are distinguished from other thalattosaurs by their long necks and narrow skulls.[1]
Classification
Askeptosauridae was named in 1952 to include the genus Askeptosaurus.[2] In 2000, the genus Anshunsaurus, which includes two species, was added to the family.[3] In a 2005 phylogenetic analysis, Endennasaurus was included within Askeptosauridae.[4] Later that year a new study placed Endennasaurus outside Askeptosauridae as a basal member of Askeptosauroidea.[1] More recent studies have placed the genus Miodentosaurus from China in the family as well. Below is a cladogram modified from Wu et al. (2009) showing the phylogenetic relationships of askeptosaurids:[5]
References
- ^ a b Liu, J.; Rieppel, O. (2005). "Restudy of Anshunsaurus huangguoshuensis (Reptilia: Thalattosauria) from the Middle Triassic of Guizhou, China" (PDF). American Museum Novitates (3488): 1–34. doi:10.1206/0003-0082(2005)488[0001:roahrt]2.0.co;2. ISSN 0003-0082. S2CID 55642315.
- ^ Kuhn-Schnyder, E. (1952). "Die Triasfauna der Tessiner Kalkalpen. XVII. Askeptosaurus italicus Nopcsa". Schweizerische Paläontologische Abhandlungen. 69: 1–52.
- ^ Rieppel, O.; Liu, J.; Bucher, H. (2000). "The first record of a thalattosaur reptile from the Late Triassic of southern China (Guizhou Province, PR China)". Journal of Vertebrate Paleontology. 20 (3): 507–514. doi:10.1671/0272-4634(2000)020[0507:TFROAT]2.0.CO;2. S2CID 140706921.
- ^ Müller, J. (2005). "The anatomy of Askeptosaurus italicus from the Middle Triassic of Monte San Giorgio, and the interrelationships of thalattosaurs (Reptilia, Diapsida)". Canadian Journal of Earth Sciences. 42 (7): 1347–1367. doi:10.1139/e05-030.
- ^ Wu, X.-C.; Cheng, Y.-N.; Sato, T.; Shan, H.-Y. (2009). "Miodentosaurus brevis Cheng et al., 2007 (Diapsida: Thalattosauria): its postcranial skeleton and phylogenetic relationships" (PDF). Vertebrata PalAsiatica. 47 (1): 1–20. Archived from the original (PDF) on 2011-11-22. Retrieved 2011-04-23.
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