Main Page | See live article | Alphabetical index Acipenseriformes Scientific classification Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Acipenseriformes Families Acipenseridae (sturgeons) Polyodontidae (paddlefishes) Chondrosteidae extinct Errolichthyidae extinct Acipenseriformes is an order of primitive ray-finned fisheses that includes the sturgeons and paddlefishes, as well as some extinct families. Acipenseriform skeletons are largely cartilage. References Martin Hochleithner and Joern Gessner, The Sturgeons and Paddlefishes of the World: Biology and Aquaculture Martin Hochleithner, Joern Gessner, and Sergej Podushka, The Bibliography of Acipenseriformes This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.