Acipenseriformes

Acipenseriformes Temporal range: Late Jurassic–Recent PreЄ Є O S D C P T J K Pg N [1]
Atlantic sturgeon, Acipenser oxyrinchus oxyrinchus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Acipenseriformes L. S. Berg, 1940
Families
Acipenseridae— sturgeons Polyodontidae— paddlefishes †Chondrosteidae †Errolichthyidae †Peipiaosteidae

Yanosteus longidorsalis MHNT

Acipenseriformes /æsᵻˈpɛnsərᵻˈfɔːrmiːz/ is an order of basal^[2] ray-finned fishes that includes the sturgeons and paddlefishes, as well as some extinct families.^[3]

Notable characteristics of Acipenseriformes include:

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

Species

Acipenseriformes

Order Acipenseriformes Berg, 1940

• Family Acipenseridae Bonaparte, 1831
  • Subfamily Acipenserinae
    • Genus Acipenser Linnaeus, 1758
      • Acipenser baerii J. F. Brandt, 1869
        • Acipenser baerii baerii J. F. Brandt, 1869 (Siberian sturgeon)
        • Acipenser baerii baicalensis Nikolskii, 1896 (Baikal sturgeon)
      • Acipenser brevirostrum Lesueur, 1818 (Shortnose sturgeon)
      • Acipenser dabryanus A. H. A. Duméril, 1869 (Yangtze sturgeon)
      • Acipenser fulvescens Rafinesque (Lake sturgeon)
      • Acipenser gueldenstaedtii J. F. Brandt & Ratzeburg, 1833 (Russian sturgeon)
      • Acipenser medirostris Ayres, 1854 (Green sturgeon)
      • Acipenser mikadoi Hilgendorf, 1892 (Sakhalin sturgeon)
      • Acipenser naccarii Bonaparte, 1836 (Adriatic sturgeon)
      • Acipenser nudiventris Lovetsky, 1828 (Fringebarbel sturgeon)
      • Acipenser oxyrinchus Mitchill, 1815
        • Acipenser oxyrinchus desotoi Vladykov, 1955 (Gulf sturgeon)
        • Acipenser oxyrinchus oxyrinchus Mitchill, 1815 (Atlantic sturgeon)
      • Acipenser persicus Borodin, 1897 (Persian sturgeon)
      • Acipenser ruthenus Linnaeus, 1758 (Sterlet)
      • Acipenser schrenckii J. F. Brandt, 1869 (Amur sturgeon)
      • Acipenser sinensis J. E. Gray, 1835 (Chinese sturgeon)
      • Acipenser stellatus Pallas, 1771 (Starry sturgeon)
      • Acipenser sturio Linnaeus, 1758 (European sturgeon)
      • Acipenser transmontanus J. Richardson, 1836 (White sturgeon)
    • Genus Huso J. F. Brandt & Ratzeburg, 1833
      • Huso dauricus (Georgi, 1775) (Kaluga sturgeon)
      • Huso huso (Linnaeus, 1758) (Beluga sturgeon)
  • Subfamily Scaphirhynchinae
    • Genus Scaphirhynchus Heckel, 1835
      • Scaphirhynchus albus (Forbes & R. E. Richardson, 1905) (Pallid sturgeon)
      • Scaphirhynchus platorynchus (Rafinesque, 1820) (Shovelnose sturgeon)
      • Scaphirhynchus suttkusi J. D. Williams & Clemmer, 1991 (Alabama sturgeon)
    • Genus Pseudoscaphirhynchus Nikolskii, 1900
      • Pseudoscaphirhynchus fedtschenkoi (Kessler, 1872) (Syr Darya sturgeon)
      • Pseudoscaphirhynchus hermanni (Kessler, 1877) (Dwarf sturgeon)
      • Pseudoscaphirhynchus kaufmanni (Kessler, 1877) (Amu Darya sturgeon)
• Family Polyodontidae Bonaparte, 1838 (Paddlefish)
  • Genus Polyodon Lacépède, 1797
    • Polyodon spathula (Walbaum, 1792) (American paddlefish)
  • Genus Psephurus Günther, 1873
    • Psephurus gladius (E. von Martens, 1862) (Chinese paddlefish)

External links

• Photos and illustrations of Acipenseriformes
• 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
• Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2011-05-17. 

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