Biology:Cosmoptychius

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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]

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

  1. ↑ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology 364: 560. Archived from the original on 2009-02-20. https://web.archive.org/web/20090220223520/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class. Retrieved 2009-04-24. 
  2. ↑ Coates, M. I. (1993). "Actinopterygian and acanthodian fishes from the Viséan of East Kirkton, West Lothian, Scotland" (in en). Earth and Environmental Science Transactions of the Royal Society of Edinburgh 84 (3–4): 317–327. doi:10.1017/S0263593300006131. ISSN 1755-6929. Bibcode: 1993EESTR..84..317C. https://www.cambridge.org/core/journals/earth-and-environmental-science-transactions-of-royal-society-of-edinburgh/article/abs/actinopterygian-and-acanthodian-fishes-from-the-visean-of-east-kirkton-west-lothian-scotland/BDD9C6A121819E224F9C5FDA5F694650. 
  3. ↑ "PBDB Taxon". https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=469984. 
  4. ↑ Gardiner, B. G. (1985). "Actinopterygian fish from the Dinantian of Foulden, Berwickshire, Scotland" (in en). Earth and Environmental Science Transactions of the Royal Society of Edinburgh 76 (1): 61–66. doi:10.1017/S0263593300010312. ISSN 1473-7116. https://www.cambridge.org/core/journals/earth-and-environmental-science-transactions-of-royal-society-of-edinburgh/article/abs/actinopterygian-fish-from-the-dinantian-of-foulden-berwickshire-scotland/AB89D7115FB9B9683D7277D95B2F3C7B. 
  5. ↑ Dornburg, Alex; Townsend, Jeffrey P.; Friedman, Matt; Near, Thomas J. (2014-08-08). "Phylogenetic informativeness reconciles ray-finned fish molecular divergence times" (in en). BMC Evolutionary Biology 14 (1): 169. doi:10.1186/s12862-014-0169-0. ISSN 1471-2148. PMID 25103329. Bibcode: 2014BMCEE..14..169D. 
  6. ↑ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016-02-22). Fishes of the World. Wiley. ISBN 978-1-118-34233-6. http://dx.doi.org/10.1002/9781119174844. 
  7. ↑ 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" (in en). Journal of Vertebrate Paleontology 34 (4): 747–759. doi:10.1080/02724634.2014.837053. ISSN 0272-4634. Bibcode: 2014JVPal..34..747X. http://www.tandfonline.com/doi/abs/10.1080/02724634.2014.837053. 

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