Trilobita - Ptychopariida - Menomoniidae

Parent taxon: Menomoniidae according to P. A. Jell and J. M. Adrain 2003

Sister taxa: Balderia, Bolaspidella, Densonella, Dresbachia, Howellaspis, Hysteropleura, Josina, Menomonia, Paramenomonia, Verditerrina

Subtaxa: none

Ecology: fast-moving low-level epifaunal suspension feeder