Full reference: N. D. Newell. 1965. Classification of the Bivalvia. American Museum Novitates 2206:1-25
Parent taxon: Pteriomorphia according to R. Bieler and P. M. Mikkelsen 2006
See also Adegoke 1977, Coan et al. 2000, Giribet and Wheeler 2002, Gliozzi and Malatesta 1983, Grant-Mackie 1978, Newell 1965, Scholz et al. 2008, Sepkoski 2002, Spencer et al. 2004, Squires 1984, Squires 1987, Squires 1988, Vokes 1980, Ward 1992 and Ward and Blackwelder 1987
Sister taxa: Mytilomorphi, Ostreomorphi, Prionodonta
Subtaxa: Amuropecten Annulinectes Arzelella Bakevellidae Barehamia Canadotis Capedopecten Cleidochondrella Colpentolium Cornutoentolium Costentolium Cussetostrea Echinopecten Entomonotis Euthymipecten Fibrosopecten Freneixita Freneixostrea Fylgia Gervilleiogoma Gervilletia Gondwanella Grabella Gryphaeligmus Ignara Indonectes Intodesma Jeletzkiella Kabyaipecten Kobayshites Konbostrea Lamellotacea Lentilla Lithioperna Loemmelella Lywcea Minervapecten Moussonella Mysidoptera Neitheops Neoentolium Notochlamy Novaculaperma Opiotoptera Pacimonotis Periclaria Pichlerella Pinnina Platygena Pomiropecten Praeaucellina Praebuchia Praesondylopecten Proostrea Prospondylidea Pseudogyra Pseudovola Pteriina Pterinoactinodesma Pterioidina Raricardium Rhyssomytiloides Scythemtolium Soleniscostrea Sorngyaceramus Spia Stappyersella Tarturia Titaonpecten Trematiconcha Unica Uralopteria Vertinomia Xenium
Ecology: stationary low-level epifaunal suspension feeder