Acipenseriformes

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Taxobox
name = Acipenseriformes


image_width = 250px
image_caption = Atlantic sturgeon, "Acipenser oxyrinchus oxyrinchus"
regnum = Animalia
phylum = Chordata
classis = Actinopterygii
ordo = Acipenseriformes
subdivision_ranks = Families
subdivision =
Acipenseridae—sturgeons
Polyodontidae—paddlefishes
Chondrosteidae—extinct
Errolichthyidae—extinct

Acipenseriformes are an order of primitive ray-finned fishes that includes the sturgeons and paddlefishes, as well as some extinct families.FishBase order | order = Acipenseriformes
year = 2006 | month = 05
]

Notable characteristics of Acipenseriformes include:

*Cartilaginous endoskeleton
*Lack of vertebral centrum
*Spiral valve intestine
*Conus arteriosus

Systematics

Acipenseriformes

*Family Acipenseridae
**Subfamily Acipenserinae
***Genus "Acipenser"
****"Acipenser baerii"
*****Siberian sturgeon, "Acipenser baerii baerii"
*****Baikal sturgeon, "Acipenser baerii baicalensis"
****Shortnose sturgeon, "Acipenser brevirostrum" (USA)
****Yangtze sturgeon, "Acipenser dabryanus"
****Lake sturgeon, "Acipenser fulvescens" (USA)
****Russian sturgeon, "Acipenser gueldenstaedtii"
****Green sturgeon, "Acipenser medirostris"
****Sakhalin sturgeon, "Acipenser mikadoi"
****Japanese sturgeon, "Acipenser multiscutatus"
****Adriatic sturgeon, "Acipenser naccarii"
****Fringebarbel sturgeon, "Acipenser nudiventris"
****"Acipenser oxyrinchus" (USA)
*****Gulf sturgeon, "Acipenser oxyrinchus desotoi"
*****Atlantic sturgeon, "Acipenser oxyrinchus oxyrinchus"
****Persian sturgeon, "Acipenser persicus"
****Sterlet, "Acipenser ruthenus"
****Amur sturgeon, "Acipenser schrenckii"
****Chinese sturgeon, "Acipenser sinensis"
****Starry sturgeon, "Acipenser stellatus"
****European sturgeon, "Acipenser sturio" (also "Baltic sturgeon")
****White sturgeon, "Acipenser transmontanus"
***Genus "Huso"
****Beluga sturgeon, "Huso huso"
****Kaluga sturgeon, "Huso dauricus"
**Subfamily Scaphirhynchinae
***Genus "Scaphirhynchus"
****Pallid sturgeon, "Scaphirhynchus albus"
****Shovelnose sturgeon, "Scaphirhynchus platorynchus"
****Alabama sturgeon, "Scaphirhynchus suttkusi"
***Genus "Pseudoscaphirhynchus"
****Dwarf sturgeon, "Pseudoscaphirhynchus hermanni"
****Syr Darya sturgeon, "Pseudoscaphirhynchus fedtschenkoi"
****Amu Darya sturgeon, "Pseudoscaphirhynchus kaufmanni"

*Family Polyodontidae (Paddlefish)
**Genus "Polyodon"
***American paddlefish, "Polyodon spathula" (USA)
**Genus "Psephurus"
***Chinese paddlefish, "Psephurus gladius"

External links

* [http://animaldiversity.ummz.umich.edu/site/accounts/pictures/Acipenseriformes.html Photos and illustrations of Acipenseriformes]
* [http://www.cites.org/eng/news/press_release.shtml CITES finalizes 2006 caviar export quotas]

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"


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