†unranked clade Monotoidei Waterhouse 2001 (scallop)
Parent taxon: Anomiidina according to J. G. Carter et al. 2011
Sister taxa: Anomioidei, Aviculopectinoidei, Limoidei
Subtaxa: Buchioidea Eurydesmatoidea Monotidae Oxytomoidea
Ecology: stationary epifaunal suspension feeder