Ctenacanthoidea

Ctenacanthoidea; Temporal range: 407.6–132.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N Emsian—Valanginian
	Ctenacanthus concinnus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	†Ctenacanthiformes
Superfamily:	†Ctenacanthoidea; Zangerl, 1981
Subtaxa
	†Anaclitacanthus; †Asteroptychius; †Bandringidae; †Carinacanthus; †Ctenacanthidae; †Pyknotylacanthus; †Rhombacanthus; †Tamiobatidae; †Wodnika;

Ctenacanthoidea is an extinct superfamily of prehistoric Elasmobranchs. These nectonic carnivores first appeared around 407 million years ago, during the Devonian, and survived until the early Cretaceous.^[2] A Miocene record, Wodnika ocoyae, is now considered a concretion.^[3] Fossils belonging to this group have been found worldwide.^[4]

References

^ Michael E. Williams (1998). "A new specimen of Tamiobatis vetustus (Chondrichthyes, Ctenacanthoidea) from the Late Devonian Cleveland Shale of Ohio". Vertebrate Paleontology. 18 (2): 251–260. doi:10.1080/02724634.1998.10011054.
^ Feichtinger, Iris; Engelbrecht, Andrea; Lukeneder, Alexander; Kriwet, Jürgen (2020-07-02). "New chondrichthyans characterised by cladodont-like tooth morphologies from the Early Cretaceous of Austria, with remarks on the microstructural diversity of enameloid". Historical Biology. 32 (6): 823–836. doi:10.1080/08912963.2018.1539971. ISSN 0891-2963. S2CID 92392461.
^ Jordan, D.S.; Hannibal, H. (1923). "Fossil sharks and rays of the Pacific slope of North America" (PDF). Bulletin of the Southern California Academy of Sciences.
^ S. Stamberg (2001). "Fin spine of a ctenacanthoid shark (Elasmobranchii, Ctenacanthoidea) from the upper Stephanian of the Krkonoše Piedmont Basin (Bohemia)". 76 (2): 141–148. {{cite journal}}: Cite journal requires |journal= (help)

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[1] Michael E. Williams (1998). "A new specimen of Tamiobatis vetustus (Chondrichthyes, Ctenacanthoidea) from the Late Devonian Cleveland Shale of Ohio". Vertebrate Paleontology. 18 (2): 251–260. doi:10.1080/02724634.1998.10011054.

[2] Feichtinger, Iris; Engelbrecht, Andrea; Lukeneder, Alexander; Kriwet, Jürgen (2020-07-02). "New chondrichthyans characterised by cladodont-like tooth morphologies from the Early Cretaceous of Austria, with remarks on the microstructural diversity of enameloid". Historical Biology. 32 (6): 823–836. doi:10.1080/08912963.2018.1539971. ISSN 0891-2963. S2CID 92392461.

[3] Jordan, D.S.; Hannibal, H. (1923). "Fossil sharks and rays of the Pacific slope of North America" (PDF). Bulletin of the Southern California Academy of Sciences.

[4] S. Stamberg (2001). "Fin spine of a ctenacanthoid shark (Elasmobranchii, Ctenacanthoidea) from the upper Stephanian of the Krkonoše Piedmont Basin (Bohemia)". 76 (2): 141–148. {{cite journal}}: Cite journal requires |journal= (help)

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Ctenacanthoidea

References

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