Architectibranchia
Architectibranchia is a clade of marine snails, gastropod molluscs. It was originally established containing the superfamilies Acteonoidea, Ringiculoidea, and Diaphanoidea. 2005 taxonomy 
Architectibranchia was not used in the taxonomy by Bouchet & Rocroi (2005) and this taxon name has been listed as an available name. 2009 taxonomy 
Clade Architectibranchia was reinstated by Malaquias et al. in 2009; they limited the taxon to Acteonoidea and Ringiculoidea. There are five families within the clade Architectibranchia:
 Acteonidae
 Aplustridae
 Bullinidae
 Ringiculidae
 Notodiaphanidae

2010 taxonomy 
Taxon Architectibranchia is not explicitly mentioned in the molecular analysis by Jörger et al. (2010). However, some of its members were included: Acteonoidea was moved to Lower Heterobranchia. References 

Lower Heterobranchia