Family Polyodontidae Bonaparte 1838 (paddlefish)

Osteichthyes - Acipenseriformes - Polyodontidae

Parent taxon: Acipenseriformes according to R. Betancur et al. 2013

See also Bryant 1989, Estes and Berberian 1970, Grande and Bemis 1996, Grande and Hilton 2006, Grande et al. 2002, Hay 1902, Jordan 1963, Nelson et al. 2016 and Woodward 1895

Sister taxa: Acipenseridae, Acipenseriodei, Acipenseristomi, Chondrosteoidei, Eochondrosteus, Errolichthyidae, Saurichthidae

Subtaxa: Hesperopsephurus Pholidurus Protopsephurinae Psephuroides

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Type: Polyodon

Ecology: nektobenthic carnivore

Distribution:

• Paleocene of United States (1: Montana collection)

• Cretaceous of Canada (24: Alberta, Saskatchewan), China (3), United States (6: Montana, New Mexico, Wyoming), Uzbekistan (2)

Total: 36 collections including 37 occurrences

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