| Acteonoidea, Acteon, Acteonidae, Retusa, Aplustridae|
Architectibranchia is a clade of marine snails, gastropod mollusks.
It has been originally established containing the superfamilies Acteonoidea, Ringiculoidea, and Diaphanoidea.
Architectibranchia has not been used in the taxonomy by Bouchet & Rocroi (2005) and this taxon name has been listed as an available name.
Clade Architectibranchia has been reinstated by Malaquias et al. in 2009 and they have limited the taxon to Acteonoidea and Ringiculoidea.
There are five families within the clade Architectibranchia and they include:Acteonidae
Taxon Architectibranchia is not expicitely mentioned in the molecular analysis by Jörger et al. (2010). Some of its members has been included: Acteonoidea have been moved to Lower Heterobranchia.