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Gateway to the Paleobiology Database
†order Xenacanthiformes Berg 1955 (elasmobranch)

Chordata - Vertebrata

Parent taxon: Xenacanthimorpha according to J. A. Long 2011

Sister taxon: Bransonelliformes

Subtaxa: Diplodoselachidae, Xenacanthidae

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Ecology: nektobenthic carnivore