Cephalopoda - Phylloceratida - Phylloceratidae

Alternative combination: Ammonites thetys

Belongs to Phylloceras (Hypophylloceras) according to J. Wiedmann 1979

Sister taxa: Hypophylloceras (Hypophylloceras), Hypophylloceras (Neophylloceras), Hypophylloceras californicum, Hypophylloceras nera, Hypophylloceras onoense, Hypophylloceras perlobatum, Hypophylloceras tanit, Phylloceras (Hypophylloceras) bizonatum, Phylloceras (Hypophylloceras) ellipticum, Phylloceras (Hypophylloceras) moreti, Phylloceras (Hypophylloceras) seresitense, Phylloceras (Hypophylloceras) woodsi, Phylloceras (Euphylloceras) vohipalense

Subtaxa: Phylloceras (Hypophylloceras) thetys diegoi

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Ecology: nektonic carnivore