Acipenseriformes

Acipenseriformes /æsɪˈpɛnsərɪfɔːrmiːz/ 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
Yanosteus longidorsalis MHNT

Notable characteristics of Acipenseriformes include:

Hybridization

A study published in 2020 reported a successful hybridization between a Russian sturgeon (Acipenser gueldenstaedtii) and an American paddlefish (Polyodon spathula), indicating that the two species can breed with one another despite their lineages having been separated for hundreds of millions of years. This has marked the first successful hybridization between members of Acipenseridae and Polyodontidae.[4]

Taxonomy
  • 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

Taxonomy based on the work of Mikko Haaramo,[5] Neslon, Grande and Wilson 2016[6] and van der Laan 2016.[7]

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. (December 2003). "Evolution and diversity of fish genomes". Current Opinion in Genetics & Development. 13 (6): 588–592. doi:10.1016/j.gde.2003.09.001.
  3. Froese, Rainer, and Daniel Pauly, eds. (2006). "Acipenseriformes" in FishBase. 05 2006 version.
  4. Káldy, Jenő; Mozsár, Attila; Fazekas, Gyöngyvér; Farkas, Móni; Fazekas, Dorottya Lilla; Fazekas, Georgina Lea; Goda, Katalin; Gyöngy, Zsuzsanna; Kovács, Balázs; Semmens, Kenneth; Bercsényi, Miklós (July 2020). "Hybridization of Russian Sturgeon (Acipenser gueldenstaedtii, Brandt and Ratzeberg, 1833) and American Paddlefish (Polyodon spathula, Walbaum 1792) and Evaluation of Their Progeny". Genes. 11 (7): 753. doi:10.3390/genes11070753. PMC 7397225. PMID 32640744.
  5. Haaramo, Mikko (2007). "Acipenseriformes – sturgeons and paddlefishes". Mikko's Phylogeny Archive. Retrieved 30 December 2016.
  6. Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 9781118342336.
  7. 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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