Chondrichthyes - Petalodontiformes - Petalodontidae
Synonyms: Polyrhizodus amplus St. John and Worthen 1875, Polyrhizodus excavatus Saint John and Worthen 1866, Polyrhizodus littoni Newberry and Worthen 1870, Polyrhizodus lobatus Newberry and Worthen 1866, Polyrhizodus princeps Newberry and Worthen 1866, Polyrhizodus williamsi St. John and Worthen 1875
Belongs to Polyrhizodus according to R. Lund 1983
See also Hay 1902
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
Distribution: found only at MV 5410, Bear Gulch (Carboniferous of Montana)
Specimen images are retrieved through the ePANDDA API.
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