†family Matheriidae Scarlato and Starobogatov 1979 (clam)
Bivalvia - Ostreomorphi - Matheriidae
Parent taxon: Ostreomorphi according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxa: Arcioni, Ischyrodontidae, Ostreioni
Subtaxa: Metapadia
Ecology: facultatively mobile epifaunal suspension feeder
Distribution: found only at Gaspésie (Devonian of Quebec)