Chondrichthyes - Euselachii

Full reference: M. R. Leu. 1989. A Late Permian freshwater shark from eastern Australia. Palaeontology 32(2):265-286

Parent taxon: Euselachii according to M. R. Leu 1989

Sister taxa: Acronemus, Hueneichthys, Hybodontida, Neoselachii, Orectoloboidei, Protacrodontoidea, Sphenacanthidae, Squatinoidei, Synechodontidae

Subtaxa: Surcaudalus rostratus

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Type: Surcaudalus rostratus

Ecology: nektonic carnivore