Semionotus

Semionotus; Temporal range: Late Triassic to Earliest Jurassic
	Fossils of S. bergeri
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	†Semionotiformes
Superfamily:	†
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[]

^ 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[]

"Semionotus elegans"-Photo-High Res--"Shuttle Meadow Formation"-Hartford Basin, Connecticut; Article – www.sunstar-solutions.com–"Basal Jurassic Dinosaur Fossils"

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[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.

[1]

Semionotus Temporal range: Late Triassic to Earliest Jurassic

Fossils of S. bergeri
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	†Semionotiformes
Superfamily:	†
Family:	†Semionotidae
Genus:	†Semionotus Agassiz, 1843