†subfamily Litharcinae Frizzell 1946 (clam)
Parent taxon: Arcidae according to H. E. Vokes 1980
See also Bouchet et al. 2010
Sister taxa: Ambrogia, Anadarinae, Angulararca, Arcinae, Asperarca, Barbatia, Bathyarca, Bentharca, Coraliarca, Fugleria, Karasuarca, Kikaiarca, Noetiinae, Palestinarca, Quadrilatera, Rostarca
Subtaxa: none
Ecology: facultatively mobile epifaunal suspension feeder
Distribution: there are no occurrences of Litharcinae in the database