Acipenseriformes

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

Acipenseriformes
Temporal range: Early Triassic–Recent[1]
Atlantic sturgeon, Acipenser oxyrinchus oxyrinchus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Subclass: Chondrostei
Order: Acipenseriformes
L. S. Berg, 1940
Families

Acipenseridae— sturgeons
Polyodontidae— paddlefishes
†Chondrosteidae
†Errolichthyidae
†Peipiaosteidae

Yanosteus longidorsalis MHNT

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
    • 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
    • Suborder Acipenseroidei Grande & Bemis 1996

References
  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.
  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.
  3. Froese, Rainer, and Daniel Pauly, eds. (2006). "Acipenseriformes" in FishBase. 05 2006 version.
  4. Haaramo, Mikko (2007). "Acipenseriformes – sturgeons and paddlefishes". Mikko's Phylogeny Archive. Retrieved 30 December 2016.
  5. Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 9781118342336.
  6. van der Laan, Richard (2016). "Family-group names of fossil fishes". 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.
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