Taxon Description (Wikipedia)
Semionotiformes ("flag-back form") is an order of primitive, ray-finned, primarily freshwater fish from the Triassic to the Cretaceous. The most well-known genus is
Semionotus of Europe and North America.
Category:Prehistoric bony fish
Category:Triassic fish
de:Semionotiformes
is:Bryngeddur
it:Semionotiformes
hu:Semionotiformes
pt:Semionotiformes
full article at Wikipedia