Platysomus

Platysomus; Temporal range: Early Carboniferous–Late Permian PreꞒ Ꞓ O S D C P T J K Pg N
	Platysomus gibbosus
Conservation status
	Fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Palaeonisciformes
Genus:	Platysomus

Platysomus is an extinct genus of ray-finned fish that lived in the Carboniferous and Permian periods. Fossils have been found worldwide.

Platysomus gibbosus

Fossil of Platysomus circularis in the Field Museum of Natural History, Chicago

Platysomus was about 18 centimetres (7.1 in) long, and shaped similarly to the discus fish, having the same flattened body and elongated dorsal and anal fins. Its jaws were placed vertically under the braincase, giving it a wide gape. Platysomus is thought to have fed on plankton, and lived in both fresh and salt water.[1]

References

Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 35. ISBN 1-84028-152-9.

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[EoDP-1] Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 35. ISBN 1-84028-152-9.