fish, bony
fish, semionotiformes
Semionotiformes ("flag-back form") is an order of primitive, ray-finned, primarily freshwater fish from the Triassic to the Cretaceous. The best-known genus is *Semionotus* of Europe and North America. [https://en.wikipedia.org/wiki/Semionotiformes]
gars
lepisosteiformes
semionotiformes
requires discussion