Infraclass Pteriomorphia Beurlen 1944
Parent taxon: Autobranchia according to J. G. Carter et al. 2011
See also Adegoke 1977, Bieler and Mikkelsen 2006, Bouchet et al. 2010, Cope 1997, Giribet and Wheeler 2002, Gliozzi and Malatesta 1983, Grant-Mackie 1978, Hikuroa and Grant-Mackie 2008, Lin et al. 2007, Newell 1965, Scholz et al. 2008, Spencer et al. 2004, Squires 1999, Todd 2001, Vokes 1980, Waller 2011, Ward 1992 and Ward and Blackwelder 1987
Sister taxa: Cercomyidae, Heteroconchia, Cardiolarioidea
Subtaxa: Mytilomorphi Ostreomorphi Prionodonta Pterioida