| Semionotus Temporal range: Early Triassic to Early Jurassic
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|---|---|
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| Fossils of S. bergeri | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Clade: | Ginglymodi |
| Order: | †Semionotiformes |
| Superfamily: | †Semionotoidea |
| Family: | †Semionotidae |
| Genus: | †Semionotus Agassiz, 1843 |
Semionotus (from Greek: σημιον semion, 'mark' and Greek: νῶτος nôtos, 'back')1 is an extinct genus of ray-finned fish found throughout Northern Pangaea (North America and Europe) during the late Triassic, becoming extinct in the Early Jurassic.
References
References
- Roberts, George (1839). An etymological and explanatory dictionary of the terms and language of geology. London: Longman, Orme, Brown, Green, & Longmans. p. 156. Retrieved 1 January 2022.
External links
External links
- "Semionotus elegans"-Photo-High Res--"Shuttle Meadow Formation"-Hartford Basin, Connecticut; Article Archived 2020-09-19 at the Wayback Machine – www.sunstar-solutions.com–"Basal Jurassic Dinosaur Fossils"