Parent taxon: Bivalvia according to P. Bouchet et al. 2010
Sister taxa: Acturellina, Amosius, Amphikoilinae, Arhouriellidae, Asiphonidae, Asthenodonta, Aviculomya, Bakewellia, Bathyspinulinae, Bleta, Bodmania, Burriera, Carnidia, Cirravidae, Claughtonia, Conchodus, Cruciella, Cryptodonta, Ctenolima, Delia, Edon, Elliptoidea, Ensia, Eubivalvia, Euburnopecten, Euprotobranchia, Fogiella, Geinitzia, Gibboconcha, Gosselettia, Guebhardia, Hemisterias, Isofilibranchia, Laubeia, Laurskiidae, Libyaconchus, Lux, Manankovia, Megagrypha, Modiolopsis praerupta, Neotaxodonta, Onkogrypha, Ostrea compta, Ostreavicula, Palaeoentolium, Palaeostrea, Paradoxia, Paraviculidae, Phyllonia, Pleureterites, Praecardiomya, Praelamellodontidae, Praevicula, Productae, Psammoconcha, Pteriomorpha, Ptychoplasma, Rebusum, Reniella, Rostrotortus, Solen (Solecurtus) ellipticus, Solen (Solecurtus) planulatus, Spirodomidae, Stagnestesta, Taeniodon, Tatella, Telistrophis, Trachidomia, Praeanomalodontata, Fusidae, Gariidae, Plicatulacea, Teleodesmacea, Corbidae, Solenomyidae, Aviculidae, Prionodesmacea, Eoasmussia, Phaenomya, Anomalodesmacea
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Septocardiidae in the database