Family Polyodontidae Bonaparte 1838 (paddlefish)

Actinopteri - Acipenseriformes - Polyodontidae

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

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

Sister taxa: Acipenseridae, Acipenseristomi, Chondrosteoidei, 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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