Beishanichthys
| Beishanichthys Temporal range: Early Triassic,
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | †Scanilepiformes |
| Genus: | †Beishanichthys Xu & Gao, 2011 |
| Species: | †B. brevicaudalis
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| Binomial name | |
| †Beishanichthys brevicaudalis Xu & Gao, 2011
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Beishanichthys is an extinct genus of freshwater ray-finned fish which existed in Gansu Province, China during the Olenekian age of the early Triassic period. It contains a single species, B. brevicaudalis, first named by Guang-Hui Xu, Ke-Qin Gao in 2011 based on fossils from the Lower Triassic lake deposits exposed in northern Gansu, China.[1][2] It is considered a scanilepiform, a group of early cladistians related to the modern bichirs, although Beishanichthys was not incorporated into the analyses that found this phylogenetic placement among the cladistians.[3]
References
[edit]- ^ "PBDB". paleobiodb.org. Retrieved 2024-03-06.
- ^ Guang-Hui Xu, Ke-Qin Gao (2011). "A new scanilepiform from the Lower Triassic of northern Gansu Province, China, and phylogenetic relationships of non-teleostean Actinopterygii". Zoological Journal of the Linnean Society. 161 (3): 595–612. doi:10.1111/j.1096-3642.2010.00645.x.
- ^ Giles, Sam; Xu, Guang-Hui; Near, Thomas J.; Friedman, Matt (2017). "Early members of 'living fossil' lineage imply later origin of modern ray-finned fishes". Nature. 549 (7671): 265–268. doi:10.1038/nature23654. ISSN 1476-4687.
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