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†order Symmoriiformes Zangerl 1981 (elasmobranch)

Chordata - Vertebrata

Alternative spelling: Symmoriida

Full reference: R. Zangerl. 1981. Chondrichthyes I: Paleozoic Elasmobranchii. Handbook of Paleoichthyology 3a

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

Sister taxa: Cladoselachiformes, Ctenacanthiformes, Euselachii, Squatinactiformes

Subtaxa: Denaeidae, Falcatidae, Kawichthys, Symmoriidae

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Ecology: nektonic carnivore