Lissodus

Lissodus; Temporal range: Early Carboniferous–Albian PreꞒ Ꞓ O S D C P T J K Pg N [1]
	Teeth
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	†Hybodontiformes
Family:	†Lonchidiidae
Genus:	†Lissodus; Brough, 1935
Species
	Lissodus hasleensis Rees, 1998

Lissodus is an extinct genus of freshwater shark. It lived from the Early Carboniferous stage to the Albian age of the Cretaceous.[2] It was about 15 centimetres (5.9 in) long and had flat teeth that it used for eating clams.[3]

References

"Chondrichthyan genus Lissodus from the Lower Carboniferous of Ireland". Acta Palaeontologica Polonica. 49. 2004.
Jan Rees & Charlie J. Underwood (2002). "The status of the shark genus Lissodus Brough, 1935, and the position of nominal Lissodus species within the Hybodontoidea (Selachii)". Journal of Vertebrate Paleontology. 22 (3): 471–479. doi:10.1671/0272-4634(2002)022[0471:tsotsg]2.0.co;2. JSTOR 4524243.
Gaines, Richard M. (2001). Coelophysis. ABDO Publishing Company. p. 17. ISBN 1-57765-488-9.

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[1] "Chondrichthyan genus Lissodus from the Lower Carboniferous of Ireland". Acta Palaeontologica Polonica. 49. 2004.

[2] Jan Rees & Charlie J. Underwood (2002). "The status of the shark genus Lissodus Brough, 1935, and the position of nominal Lissodus species within the Hybodontoidea (Selachii)". Journal of Vertebrate Paleontology. 22 (3): 471–479. doi:10.1671/0272-4634(2002)022[0471:tsotsg]2.0.co;2. JSTOR 4524243.

[3] Gaines, Richard M. (2001). Coelophysis. ABDO Publishing Company. p. 17. ISBN 1-57765-488-9.