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Polyrhizodus digitatus Leidy 1857 (chimaera)

Chondrichthyes - Petalodontiformes - Petalodontidae

PaleoDB taxon number: 151620

Synonyms: Polyrhizodus amplus St. John and Worthen 1875 (no. 151624), Polyrhizodus excavatus Saint John and Worthen 1866 (no. 151626), Polyrhizodus littoni Newberry and Worthen 1870 (no. 151623), Polyrhizodus lobatus Newberry and Worthen 1866 (no. 151622), Polyrhizodus princeps Newberry and Worthen 1866 (no. 151621), Polyrhizodus williamsi St. John and Worthen 1875 (no. 151625)

Belongs to Polyrhizodus according to R. Lund 1983

Sister taxa: Polyrhizodus attenuatus, Polyrhizodus carbonarius, Polyrhizodus colei, Polyrhizodus concavus, Polyrhizodus dentatus, Polyrhizodus elongatus, Polyrhizodus inflexus, Polyrhizodus latus, Polyrhizodus magnus, Polyrhizodus minimus, Polyrhizodus modestus, Polyrhizodus nanus, Polyrhizodus piasaensis, Polyrhizodus ponticulus, Polyrhizodus porosus, Polyrhizodus pusillus, Polyrhizodus rectus, Polyrhizodus truncatus

Ecology: nektonic carnivore