Clade Archiheterodonta Giribet 2008 (clam)
Parent taxon: Heteroconchia according to C. S. Hickman 2015
Sister taxa: Cardiomorphi, Eoastartella, Heterodonta, Heterodonta, Lipanellidae, Palaeoheterodonta, Parenia, Paullia, Uniomorphi
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Archiheterodonta in the database