ammonites
†subfamily Katharininae (chiton)

Polyplacophora - Neoloricata - Mopaliidae

Parent taxon: Mopaliidae according to P. L. Beesley 1998

Sister taxa: Heterochitoninae, Mopaliinae, Placiphorella, Plaxiphora

Subtaxa: Katharina

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Ecology: facultatively mobile epifaunal grazer