What is Actinopteri?
{{automatic taxobox | image=Atlantic sturgeon flipped.jpg | image_caption=[[Atlantic sturgeon]] ([[Chondrostei]]) | image2=Salmo salar flipped.jpg | image2_caption=[[Atlantic salmon]] ([[Neopterygii]]) | taxon = Actinopteri | authority=[[Edward Drinker Cope|Cope]], 1871 | subdivision_ranks=Subclasses | subdivision= *[[Chondrostei]] *[[Neopterygii]] }} '''Actinopteri''' is a group of fish. It is the sister taxon of [[Cladistia]]. They have a [[symplectic]], a [[bone]] behind the upper part of the jaw that most [[Fish|fishes]] do not have.<ref>{{Cite journal|last=Eaton|first=Theodore H.|date=1945|title=The Symplectic in Coelacanthids and Actinopteri|url=https://www.jstor.org/stable/1438167|journal=Copeia|volume=1945|issue=1|pages=22–25|doi=10.2307/1438167|jstor=1438167 |issn=0045-8511}}</ref> They have scales and ray fins, because they are part of the [[Actinopterygii]] class.<ref>{{Cite web|title=Welcome to CK-12 Foundation {{!}} CK-12 Foundation|url=https://www.ck12.org/book/ck-12-biology-advanced-concepts/section/16.11/|access-date=2022-10-14|website=www.ck12.org}}</ref> == Related pages == * [[Chondrostei]] ==References== {{reflist}} [[Category:Ray-finned fish]] {{Biology-stub}}