†family Xenacanthidae Fritsch 1889 (elasmobranch)

Chondrichthyes - Xenacanthiformes - Xenacanthidae

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

See also Cappetta 1987, Daly 1973, Hay 1902, 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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