†family Xenacanthidae Fritsch 1889 (elasmobranch)

Chondrichthyes - Xenacanthiformes - Xenacanthidae

Parent taxon: Xenacanthiformes according to M. Ginter et al. 2010

See also Cappetta 1987, Daly 1973, Heckert 2004, Heckert and Lucas 2006, Jordan 1963, Murry 1989 and Zangerl 1981

Sister taxa: Diplodoselachidae, Xenosynechodontidae

Subtaxa: Acanthopleurus Aganodus Compsacanthus Diacranodus Fayolia Lepacanthus Lophacanthus Mooreodontus Ochlodus Phricacanthus Platyacanthus Pleuracanthus Plicatodus Pternodus Triodus Wurdigneria Xenacanthus

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Ecology: nektobenthic carnivore

Distribution:

• Triassic of Australia (2 collections), Austria (1), India (1), Poland (1), United States (13: Arizona, New Mexico, Texas)

• Leonard of United States (7: Oklahoma, Texas)

• Wolfcamp of United States (6: New Mexico, Utah)

• Permian of Brazil (1), the Czech Republic (2), Germany (1), Norway (1), United States (22: Oklahoma, Texas)

• Pennsylvanian of the United Kingdom (1)

• Carboniferous to Permian of United States (1: New Mexico)

• Carboniferous of France (1), the United Kingdom (9), United States (2: Arizona)

Total: 72 collections including 81 occurrences

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