Ctenacanthus
(Redirected from Ctenacanthus terrelli)
| Ctenacanthus Temporal range:
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| Dorsal spine of the type species, C. major, as illustrated by Louis Agassiz | |
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| Restoration of C. concinnus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | †Ctenacanthiformes |
| Family: | †Ctenacanthidae |
| Genus: | †Ctenacanthus Agassiz, 1837 |
| Type species | |
| Ctenacanthus major Agassiz, 1837
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| Species | |
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See text | |
Ctenacanthus (from Greek: κτείς kteis, 'comb' and Greek: ἄκανθα akantha, 'spine')[1] is an extinct genus of ctenacanthiform chondrichthyan. Remains have been found in the Bloyd Formation (Carboniferous Period) of Arkansas and the Cleveland Shale (Devonian Period) of Ohio in the United States and in South America.[2][3][4]
Valid species
[edit]- Ctenacanthus buttersi St. John & Worthen, 1883
- Ctenacanthus chemungensis Claypole, 1885
- Ctenacanthus concinnus Newberry, 1875
- Ctenacanthus denticulatus McCoy, 1848
- Ctenacanthus formosus Newberry, 1873
- Ctenacanthus harrissi Caster, 1930
- Ctenacanthus lamborni Wells, 1944
- Ctenacanthus major Agassiz, 1843
- Ctenacanthus pellensis St. John & Worthen, 1883
- Ctenacanthus sculptus St. John & Worthen, 1875
- Ctenacanthus terrelli Newberry, 1889
- Ctenacanthus tumidus Newberry, 1889
- Ctenacanthus vetustus Eastman, 1902
- Ctenacanthus wrightii Newberry, 1884
- Ctenacanthus amblyxiphias Cope, 1891
See also
[edit]References
[edit]- ^ Roberts, George (1839). An etymological and explanatory dictionary of the terms and language of geology. London: Longman, Orme, Brown, Green, & Longmans. p. 38. Retrieved 29 December 2021.
- ^ Acanthodian fish remains from the Upper Silurian or Lower Devonian of the Amazon Basin, Brazil. Philippe Janvier, Jose Henrique G. Melo, Palaeontology, Aug 1988, Vol 31, part 3
- ^ Agassiz, Louis (1837). "De genre Ctenacanthus Agass". Contenant l'Histoire de l'Ordre de Placoïdes. Recherches sur les poissons fossiles. Vol. 3. Neuchâtel: Petitpierre. pp. 10–12.
- ^ "Ctenacanthus". paleobiodb.org. Retrieved 2023-04-25.
External links
[edit]- 3D scans of the skull and dorsal spine of Ctenacanthus, provided by the Cleveland Museum of Natural History
- Fossil Sharks of the Rocky Mountains: Ctenacanthus and other Chondrichthyan Spines and Denticles. Wayne Itano, Boulder, Colorado, Karen Houck and Martin Lockley, University of Colorado, Denver
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