Cosmoptychius is an extinct genus of freshwater and estuarine ray-finned fish that lived during the Mississippian epoch.[1][2] It contains a single species, C. striatus from the Visean of Scotland.[3] It has a wide stratigraphic range in the Wardie Shale, with many specimens known.[4][5]
| Cosmoptychius Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Family: | †Cosmoptychiidae Gardiner, 1963 |
| Genus: | †Cosmoptychius Traquair, 1877 |
| Species: | †C. striatus
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| Binomial name | |
| †Cosmoptychius striatus (Agassiz, 1835)
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| Synonyms | |
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Initially classified as either a palaeonisciform (a now-paraphyletic group of basal actinopterygians)[6] or the earliest stem-group neopterygian, it is now generally considered a stem-group actinopteran.[7]
References
edit- ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 2009-02-20. Retrieved 2009-04-24.
- ^ Coates, M. I. (1993). "Actinopterygian and acanthodian fishes from the Viséan of East Kirkton, West Lothian, Scotland". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 84 (3–4): 317–327. Bibcode:1993EESTR..84..317C. doi:10.1017/S0263593300006131. ISSN 1755-6929.
- ^ "PBDB Taxon". paleobiodb.org. Retrieved 2024-06-18.
- ^ Gardiner, B. G. (1985). "Actinopterygian fish from the Dinantian of Foulden, Berwickshire, Scotland". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 76 (1): 61–66. doi:10.1017/S0263593300010312. ISSN 1473-7116.
- ^ Dornburg, Alex; Townsend, Jeffrey P.; Friedman, Matt; Near, Thomas J. (2014-08-08). "Phylogenetic informativeness reconciles ray-finned fish molecular divergence times". BMC Evolutionary Biology. 14 (1): 169. Bibcode:2014BMCEE..14..169D. doi:10.1186/s12862-014-0169-0. ISSN 1471-2148. PMC 4236503. PMID 25103329.
- ^ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016-02-22). Fishes of the World. Wiley. ISBN 978-1-118-34233-6.
- ^ Xu, Guang-Hui; Gao, Ke-Qin; Finarelli, John A. (2014-06-07). "A revision of the Middle Triassic scanilepiform fish Fukangichthys longidorsalis from Xinjiang, China, with comments on the phylogeny of the Actinopteri". Journal of Vertebrate Paleontology. 34 (4): 747–759. Bibcode:2014JVPal..34..747X. doi:10.1080/02724634.2014.837053. ISSN 0272-4634.
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