Pteronisculus
| Pteronisculus Temporal range:
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| Pteronisculus fossil at the Geological Museum, Copenhagen | |
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| Genus: | †Pteronisculus White, 1933
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| Type species | |
| †Pteronisculus cicatrosus White, 1933
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Glaucolepis Stensiö, 1921 | |
Pteronisculus is an extinct genus of prehistoric bony fish that lived during the Early Triassic and Middle Triassic epochs of the Triassic period. The preoccupied genus name "Glaucolepis" Stensiö, 1921 (non Glaucolepis Braun, 1917) is a synonym of Pteronisculus White, 1933.[3]
Pteronisculus was originally referred to the family Palaeoniscidae, but was removed due to differences to Palaeoniscum.[4] Based on similarities with Turseodus it was provisionally included in Turseoidae.[5] A synapomorphy of Pteronisculus and Turseodus is the tooth-bearing lachrymal.
Pteronisculus had a wide geographic range during the Early Triassic.[1] Fossils were collected in Greenland, Madagascar, Spitsbergen and the United States (possibly also British Columbia). From the Middle Triassic, it is only known from South China.[6][7] Its occurrence in the Permian of South Africa has been questioned. About 12 species have been described to date, ranging from 11 centimetres (0.36 ft) to 40 centimetres (1.3 ft) in length.
See also
References
- ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2009-02-27.
- ^ "Palaeonisciformes". Paleobiology Database. Retrieved 19 Nov 2012.
- ^ White, E. I. and Moy-Thomas, J. A. (1940): VII.—Notes on the nomenclature of fossil fishes. Part II. Homonyms D–L: Journal of Natural History 11:98–103
- ^ Xu et al. (2014): Pteronisculus nielseni sp. nov., a new stem-actinopteran fish from the Middle Triassic of Luoping, Yunnan Province, China. Vertebrata PalAsiatica 52:364-380 https://www.researchgate.net/profile/Guang-Hui_Xu3/publication/268485382_Pteronisculus_nielseni_sp_nov_a_new_stem-actinopteran_fish_from_the_Middle_Triassic_of_Luoping_Yunnan_Province_China/links/546c702b0cf257ec78ffec6a/Pteronisculus-nielseni-sp-nov-a-new-stem-actinopteran-fish-from-the-Middle-Triassic-of-Luoping-Yunnan-Province-China.pdf
- ^ C. Romano, A. López-Arbarello, D. Ware, J. F. Jenks, and W. Brinkmann. 2019. Marine Early Triassic Actinopterygii from the Candelaria Hills (Esmeralda County, Nevada, USA). Journal of Paleontology 93:971-1000 https://doi.org/10.1017/jpa.2019.18
- ^ C. Romano, A. López-Arbarello, D. Ware, J. F. Jenks, and W. Brinkmann. 2019. Marine Early Triassic Actinopterygii from the Candelaria Hills (Esmeralda County, Nevada, USA). Journal of Paleontology 93:971-1000 https://doi.org/10.1017/jpa.2019.18
- ^ Xu et al. (2014): Pteronisculus nielseni sp. nov., a new stem-actinopteran fish from the Middle Triassic of Luoping, Yunnan Province, China. Vertebrata PalAsiatica 52:364-380 https://www.researchgate.net/profile/Guang-Hui_Xu3/publication/268485382_Pteronisculus_nielseni_sp_nov_a_new_stem-actinopteran_fish_from_the_Middle_Triassic_of_Luoping_Yunnan_Province_China/links/546c702b0cf257ec78ffec6a/Pteronisculus-nielseni-sp-nov-a-new-stem-actinopteran-fish-from-the-Middle-Triassic-of-Luoping-Yunnan-Province-China.pdf
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