Cephalopoda - Ammonitida - Phymatoceratidae

Parent taxon: Phymatoceratidae according to M. K. Howarth 2013

Sister taxa: Brodieia, Crassiceras, Esericeras, Furloceras, Haugia, Paronychoceras, Phymatoceras, Phymatoceratinae

Subtaxa: Pseudomercaticeras frantzi, Pseudomercaticeras rotaries, Pseudomercaticeras venzoi

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Ecology: fast-moving nektonic carnivore