Semionotus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii

Infraclassis: Holostei
Division: Ginglymodi
Ordo: †Semionotiformes
Familia: †Semionotidae
Genus: †Semionotus

Species: †S. agassizi – †S. amplicephalus – †S. anosteus – †S. australis – †S. bergeri – †S. brauni – †S. brodiei – †S. capensis – †S. convalis – †S. decoratus – †S. elegans – †S. elongatus – †S. esox – †S. euthenius – †S. fultus – †S. fundus – †S. gallineki – †S. gigas – †S. greenwoodi – †S. howelli – †S. joassi – †S. johberryi – †S. kanabensis – †S. kapffi – †S. kirschi – †S. labordei – †S. latheticus – †S. latus – †S. lineatus – †S. marshi – †S. melanimus – †S. metcalfei – †S. micropterus – †S. minor – †S. nilssoni – †S. normanniae – †S. olseni – †S. ovatus – †S. parvus – †S. profundus – †S. redfieldii – †S. saginatus – †S. schaefferi – †S. tenuiceps – †S. tenuis – †S. thomsoni – †S. unicristatus – †S. vallejensis – †S. virginiae
Name

†Semionotus Agassiz, 1832
References

Agassiz, L. 1832. Untersuchungen über die fossilen Süsswasser-Fische der tertiären Formationen. Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde 3: 129–138. PDF. Reference page.

Links

Global Names Index

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

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"