Ctenacanthus

Ctenacanthus is a prehistoric cartilaginous fish genus. Remains have been found in the Bloyd Formation in Arkansas, United States (Carboniferous period) and in South America.[2]

Ctenacanthus
Agassiz's plate of C. major.
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Subphylum:
Vertebrata
Infraphylum:
Gnathostomata
Class:
Chondrichthyes
Subclass:
Elasmobranchii
Order:
Ctenacanthiformes
Family:
Ctenacanthidae
Genus:
†Ctenacanthus

Type species
Ctenacanthus major
Agassiz, 1837
Species

See text

Species
  • †Ctenacanthus amblyxiphias Cope, 1891
  • †Ctenacanthus buttersi St. John & Worthen, 1883
  • †Ctenacanthus chemungensis Claypole, 1885
  • †Ctenacanthus cliftonensis Branson & Mehl, 1938
  • †Ctenacanthus concinnus Newberry, 1875
  • †Ctenacanthus costellatus Traquair, 1884
  • †Ctenacanthus elegans Tuomey, 1858 - Alabama[3]
  • †Ctenacanthus furcicarinatus Newberry, 1875
  • †Ctenacanthus major Agassiz, 1843
  • †Ctenacanthus maranhensis Santos, 1946
  • †Ctenacanthus nodocostatus Hussakof & Bryant, 1918
  • †Ctenacanthus terrelli Newberry, 1889
  • †Ctenacanthus tumidus Newberry, 1889
species brought into synonymy
  • Ctenacanthus brevis Agassiz (1837) syn. of Avonacanthus Maisey 2010[4]
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See also

References
  1. Agassiz, Louis (1837). "De genre Ctenacanthus Agass". Contenant l'Histoire de l'Ordre de Placoïdes. Recherches sur les poissons fossiles. 3. Neuchâtel: Petitpierre. pp. 10–12.
  2. 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
  3. Bibliography and Catalogue of the Fossil Vertebrata of North America, Numéro 179, Oliver Perry Hay at Internet Archive
  4. John G. Maisey (2010). "Heslerodidae (Chondrichthyes, Elasmobranchii), a new family of Paleozoic phalacanthous sharks". Kirtlandia 57: 13–21.


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