Platysomus

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

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

Platysomus was about 18 centimetres (7.1 in) long, and shaped similarly to the discus fish, having the same flattened body and alongated 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.

单词	Platysomus
释义	Platysomus 英语百科 Platysomus Platysomus is an extinct genus of ray-finned fish that lived in the Carboniferous and Permian periods. Fossils have been found worldwide. Platysomus was about 18 centimetres (7.1 in) long, and shaped similarly to the discus fish, having the same flattened body and alongated 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.
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