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Archaeolamnidae

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Archaeolamnidae
Temporal range: Albian–Maastrichtian
Archaeolamna sp. tooth from the Demopolis Chalk of Mississippi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Subdivision: Selachimorpha
Order: Lamniformes
Family: Archaeolamnidae
Underwood & Cumbaa 2010
Genera

Archaelamnidae is an extinct family of sharks from the Cretaceous period. When Underwood & Cumbaa proposed the family in 2010, they included Archaeolamna, Cretodus, Dallasiella,and Telodontaspis.[1] However, Cook et al. 2011 found Archaeolamna the only genus which could be confidently attributed to the family, making it monotypic.[2] Telodontaspis has been considered by subsequent researchers to be a junior synonym to Cretoxyrhina which is within its own family, Cretoxyrhinidae.[3] Likewise, Cretodus has been placed in the proposed family Pseudoscapanorhynchidae by some authors.

References

  1. ^ UNDERWOOD, CHARLIE J.; CUMBAA, STEPHEN L. (2010-07-19). "Chondrichthyans from a Cenomanian (Late Cretaceous) bonebed, Saskatchewan, Canada". Palaeontology. 53 (4): 903–944. doi:10.1111/j.1475-4983.2010.00969.x. ISSN 0031-0239.
  2. ^ Cook, Todd D.; Newbrey, Michael G.; Murray, Alison M.; Wilson, Mark V. H.; Shimada, Kenshu; Takeuchi, Gary T.; Stewart, J. D. (2011-02-10). "A partial skeleton of the Late Cretaceous lamniform shark,Archaeolamna kopingensis, from the Pierre Shale of western Kansas, U.S.A.". Journal of Vertebrate Paleontology. 31 (1): 8–21. doi:10.1080/02724634.2011.539968. ISSN 0272-4634. S2CID 140595473.
  3. ^ Newbrey, Michael (2013-10-11). "Vertebral morphology, dentition, age, growth, and ecology of the large lamniform shark Cardabiodon ricki". Acta Palaeontologica Polonica. doi:10.4202/app.2012.0047.