†order Polyspondyli Jordan 1963 (shark)
Full reference: D. S. Jordan. 1963. The Genera of Fishes and a Classification of Fishes. Stanford University Press 1-816
Parent taxon: Selachii according to D. S. Jordan 1963
Sister taxa: Acanthodei, Cestraciontes, Ichthyotomi, Pleuropterygii, Selachophidichthyoidei
Subtaxa: Onchidae
Ecology: nektonic carnivore
Distribution: there are no occurrences of Polyspondyli in the database