Alternative spelling: Mactracea
Parent taxon: Venerida according to S. Lemer et al. 2019
See also Bieler and Mikkelsen 2006, Bouchet et al. 2010, Carter et al. 2011, Coan et al. 2000, Glenn 1904, Gliozzi and Malatesta 1983, Nevesskaja 2009, Olsson 1931, Rosenberg et al. 2006, Saul 1989, Squires 1987, Vokes 1980, Ward 1992 and Ward and Blackwelder 1987
Sister taxa: Adansonella, Aliodonax, Andrusovicardium, Aphaea, Arcticina, Bungoella, Carditacea, Carditellopsis, Caspimactra, Chamoidea, Chartocardium, Chlamydoconchacea, Corbiculoidea, Corbuloidea, Cryptocoelopis, Cterocardia, Cyrenoidoidea, Dacicardium, Dobrogimactra, Dreissenoitei, Ergenica, Farisia, Fischericardium, Fuscocardium, Geoffbondia, Glycydonta, Hubeiconcha, Kellielloidea, Korobkoviella, Leporimetus, Leptonoidea, Leukomoides, Leuroactis, Liromissus, Loxoglypta, Lucinina, Luniulicardia, Luxuridacna, Mancosinodia, Mesochione, Miricardium, Neotapes, Neovenerella, Nilobia, Nipponomarcia, Olssonella, Osoinia, Paraarctica, Plicatiforma, Protagelus, Pseudoarcopagia, Pseudopermorphus, Rochella, Sarmaticardium, Sarmatidonax, Scrobicularioidea, Siungiudella, Sublandinia, Subvenericardia, Taiwancorbicula, Taiwanobarnea, Tancretella, Tentidonox, Tenuimactra, Tivellina, Tridacnoidea, Trigonocrassatella, Urbnisia, Venericardiella, Veneroitei, Verchojanogrammysia
Subtaxa: Anatinellidae Cardiliidae Mactridae Mesodesmatidae
Ecology: facultatively mobile infaunal suspension feeder