ammonites
†subfamily Heterochitoninae (chiton)

Polyplacophora - Neoloricata - Mopaliidae

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

Sister taxa: Katharininae, Mopaliinae, Placiphorella, Plaxiphora

Subtaxa: none

Ecology: facultatively mobile epifaunal grazer