Subclass Autobranchia Groblen 1894 (clam)
Invalid subtaxa: Autolamellibranchiata Grobben 1894 [replaced name], Lamellibranchia
Parent taxon: Eubivalvia according to J. G. Carter et al. 2011
See also Bieler and Mikkelsen 2006, Bouchet et al. 2010, Giribet and Wheeler 2002, Hikuroa and Grant-Mackie 2008, Mikkelsen and Bieler 2008, Nevesskaja 2009 and Schnetler et al. 2024
Sister taxon: Protobranchia
Subtaxa: Cardiolarioidea Cercomyidae Heteroconchia Pteriomorphia
Ecology: facultatively mobile infaunal suspension feeder