''Semionotus'' (from el, σημιον , 'mark' and el, νῶτος , 'back') is an extinct genus of ray-finned fish found throughout Northern Pangaea (

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

and Europe) during the late Triassic, becoming extinct in the Early Jurassic. Semionotus kapffi

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''"Semionotus elegans"''-Photo-High Res--''"Shuttle Meadow Formation"''-Hartford Basin, Connecticut
– www.sunstar-solutions.com–"Basal Jurassic Dinosaur Fossils" Semionotiformes Prehistoric ray-finned fish genera Triassic bony fish Mesozoic fish of Europe Mesozoic fish of North America Taxa named by Louis Agassiz {{Triassic-fish-stub