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†family Symmoriidae Dean 1909 (elasmobranch)

Chondrichthyes - Symmoriiformes

PaleoDB taxon number: 149824

Synonym: Stethacanthidae Lund 1974 (taxon 151645)

Parent taxon: Symmoriiformes according to A. O. Ivanov et al. 2013

Sister taxa: Denaeidae, Falcatidae, Kawichthys, Kungurodus

Subtaxa: Akmonistion, Bethacanthus, Cobelodus, Danaea, Gutturensis, Orestiacanthus, Petrodus, Physonemus chesterensis, Physonemus parvulus, Stethacanthulus, Stethacanthus, Symmorium

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Ecology: nektonic carnivore