Polyodontidae— paddlefishes Chondrosteidae — extinct Errolichthyidae — extinct Peipiaosteidae — extinct Acipenseriformes z are an order of basal ray-finned fishes that includes the sturgeons and paddlefishes, as well as some extinct families. Notable characteristics of Acipenseriformes include: == Species == ===Acipenseriformes=== Order Ac...
Found on
http://en.wikipedia.org/wiki/Acipenseriformes
(from the article `chondrostean`) The origin of the order Acipenseriformes (which includes the sturgeon) is not known, although they were clearly derived from some palaeonisciform ... ...Triassic. Near holosteans in dermal skull structure. Two families; marine; Siberia, Greenland, and Madagascar.Order Acipenseriformes (sturgeons ... ...
Found on
http://www.britannica.com/eb/a-z/a/12
No exact match found.
