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Griphognathus Temporal range: Late Devonian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Class:	Dipnoi
Family:	†Holodontidae
Genus:	†Griphognathus Gross, 1956

Griphognathus (from Greek: γρίφος grífos 'riddle') and Greek: γνάθος gnáthos 'jaw') is an extinct genus of lungfish from the late Devonian period of Europe and Australia.

Griphognathus was a specialized lungfish, about 60 centimetres (24 in) long, with an elongated snout. The lower jaw and palate were lined with tooth-like denticles. Like all other lungfish, its skin was covered by overlapping scales, and it had an asymmetrical tail.

Species

This list is incomplete; you can help by adding missing items. (July 2015)

• Griphognathus minutidens
• Griphognathus sculpta
• Griphognathus whitei

References

1. Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 45. ISBN 1-84028-152-9.

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• Prehistoric fish of Australia
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• Devonian bony fish
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