Parent taxon: Bivalvia according to A. Scholz et al. 2008
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, 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, Septocardiidae, 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 Isofilibranchia in the database