Tribe Adacnini Gill 1871 (cockle)
Bivalvia - Cardiida - Cardiidae
Alternative spelling: Adacninae
Parent taxon: Lymnocardiinae according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Newell 1965 and Vokes 1980
Sister taxa: Acobaecardiini, Arcicardiini, Avicardiini, Aviculocardiini, Eoprosodacna, Limnopappiini, Lymnocardiini, Lymnocardium, Merklinicardiini, Obsoletiformini, Pachydacninae, Paradacnini, Phyllocardiini, Planacardiini, Plicatiformini, Pontalmyrini, Prosodacna, Prosodacnini, Pseudocarditini, Stylodacna
Ecology: facultatively mobile infaunal suspension feeder
Distribution: found only at Selitrennoye mollusks (Quaternary of Russian Federation)