Semionotus
Temporal range: Late Triassic to Earliest Jurassic
Fossils of S. bergeri
Scientific classification Edit this classification
Domain: Eukaryota
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.

Fossil slab of S. kapffi mass mortality
Reconstruction of a generalized individual

References

  1. ↑ 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.


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