Acipenseriformes

Acipenseriformes; Temporal range: Early Triassic–Recent PreꞒ Ꞓ O S D C P T J K Pg N
	Atlantic sturgeon, Acipenser oxyrinchus oxyrinchus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Subclass:	Chondrostei
Order:	Acipenseriformes; L. S. Berg, 1940
Families
	Acipenseridae— sturgeons; Polyodontidae— paddlefishes; †Chondrosteidae; †Errolichthyidae; †Peipiaosteidae

Acipenseriformes /æsɪˈpɛnsərɪˈfɔːrmiːz/ 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

Taxonomy

Taxonomy based on the work of Mikko Haaramo,^[4] Neslon, Grande and Wilson 2016^[5] and van der Laan 2016.^[6]

Order Acipenseriformes Berg 1940
- Genus †Hesperopsephurus Nesov 1997
- Genus †Neochallaia Rusconi 1949
- Genus †Psephuroides Nesov 1997
- Family †Errolichthyidae Lehman 1952
  - Genus †Errolichthys Lehman 1952
  - Genus †Psilichthys Hall 1900 non Steindachner 1907
- Suborder †Chondrosteoidei
  - Family †Chondrosteidae Huxley 1861
    - Genus †Chondrosteus Agassiz 1843 ex Egerton 1858
    - Genus †Eochondrosteus Lu, Li & Yang 2005
    - Genus †Gyrosteus Morris 1854
    - Genus †Strongylosteus Egerton 1858
- Suborder †Peipiaosteoidei Grande & Bemis 1996
  - Family †Peipiaosteidae Liu & Zhou 1965
    - Genus †Gualolepis Lopez-Arbarello, Rogers & Puerta 2006
    - Subfamily †Spherosteinae Grande & Bemis 1996
      - Genus †Sphenosteus Jakovlev 1968
      - Genus †Yanosteus Jin et al. 1995
    - Subfamily †Peipiaosteinae Liu & Zhou 1965
      - Genus †Peipiaosteus Liu & Zhou 1965
      - Genus †Stichopterus Reis 1909
- Suborder Acipenseroidei Grande & Bemis 1996
  - Family Polyodontidae Bonaparte 1838 (Paddlefish)
    - Subfamily †Protopsephurinae Grande & Bemis 1996
      - Genus †Protopsephurus Lu 1994
    - Subfamily †Paleopsephurinae Grande & Bemis 1996
      - Genus †Paleopsephurus MacAlpin 1941a
    - Subfamily †Polyodontinae Grande & Bemis 1991 non Pflugfelder 1934
      - Genus †Crossopholis Cope 1883
      - Genus Polyodon Lacépède 1797 (American paddlefish)
      - Genus Psephurus Günther 1873 (Chinese paddlefish) (likely extinct)
  - Family Acipenseridae Bonaparte 1831 sensu Bemis et al. 1997 (Sturgeons)
    - Genus †Dinectus Rafinesque 1818
    - Genus †Protoscaphirhynchus Wilimovsky 1956
    - Genus †Anchiacipenser Sato, Murray, Vernygora and Currie, 2019
    - Subfamily Priscosturioninae Grande & Hilton 2009
      - Genus †Priscosturion Grande & Hilton 2009
    - Subfamily Acipenserinae Bonaparte 1831
      - Genus Acipenser Linnaeus 1758
      - Genus Huso J. F. Brandt & Ratzeburg 1833
    - Subfamily Scaphirhynchinae Gill 1890
      - Genus Scaphirhynchus Heckel 1835
      - Genus Pseudoscaphirhynchus Nikolskii 1900

External links

References

^ Wiley, Edward G. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. pp. 76–79. ISBN 0-12-547665-5.
^ Venkatesh, B. (2003). "Evolution and diversity of fish genomes". Current Opinion in Genetics & Development. 13 (6): 588. doi:10.1016/j.gde.2003.09.001.
^ Froese, Rainer, and Daniel Pauly, eds. (2006). "Acipenseriformes" in FishBase. 05 2006 version.
^ Haaramo, Mikko (2007). "Acipenseriformes – sturgeons and paddlefishes". Mikko's Phylogeny Archive. Retrieved 30 December 2016.
^ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 9781118342336.
^ van der Laan, Richard (2016). "Family-group names of fossil fishes". {{cite journal}}: Cite journal requires |journal= (help)

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. Archived from the original on 2011-07-23. Retrieved 2011-05-17.

[EoF-1] Wiley, Edward G. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. pp. 76–79. ISBN 0-12-547665-5.

[Venkatesh2003-2] Venkatesh, B. (2003). "Evolution and diversity of fish genomes". Current Opinion in Genetics & Development. 13 (6): 588. doi:10.1016/j.gde.2003.09.001.

[fish-3] Froese, Rainer, and Daniel Pauly, eds. (2006). "Acipenseriformes" in FishBase. 05 2006 version.

[mikko-4] Haaramo, Mikko (2007). "Acipenseriformes – sturgeons and paddlefishes". Mikko's Phylogeny Archive. Retrieved 30 December 2016.

[Nelson-5] Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 9781118342336.

[van_der_Laan-6] van der Laan, Richard (2016). "Family-group names of fossil fishes". {{cite journal}}: Cite journal requires |journal= (help)

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