Acipenseroidei

Acipenseroidei; Temporal range:
	Atlantic sturgeon; (Acipenser oxyrinchus oxyrinchus)
	Chinese paddlefish; (Psephurus gladius)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Acipenseriformes
Clade:	Acipenseristomi
Suborder:	Acipenseroidei; Grande and Bemis 1996
Families
	Acipenseridae; Polyodontidae; (see text for included genera)

Acipenseroidei is a suborder of acipenseriform ray-finned fish. It contains the sturgeons (Acipenseridae) and paddlefishes (Polyodontidae), both living and fossil species.[1]

Sturgeons are well known for the production of caviar.

In 2020, an American paddlefish (Polyodon spathula) was hybridised with a Russian sturgeon (Acipenser gueldenstaedtii), producing what the Hungarian scientists responsible named a "sturddlefish".[2][3]

Systematics

Acipenseridae (sturgeons)
- †Anchiacipenser
- †Dinectus
- †Protoscaphirhynchus
- †Priscosturioninae
  - †Priscosturion (= †Psammorhynchus)
- Acipenserinae
  - Acipenserini
    - Acipenser (sturgeons and sterlet)
  - Scaphirhychini
    - Pseudoscaphirhynchus (false shovelnose sturgeons)
    - Scaphirhynchus (shovelnose sturgeons)
- Husinae
  - Huso (kaluga and beluga)
Polyodontidae (paddlefish)
- Polyodontinae
  - †Crossopholis
  - Polyodontini
    - Polyodon (American paddlefish)
  - Psephurini
    - Psephurus (Chinese paddlefish, possibly extinct)
- †Protopsephurinae
  - †Protopsephurus
- †Paleopsephurinae
  - †Paleopsephurus

Martin Hochleithner, Joern Gessner, and Sergej Podushka (2001). The Bibliography of Acipenseriformes. CD-ROM
Scientists accidentally create unlikely fish hybrid, Science Jul. 17, 2020
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.

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