†superfamily Glyptarcoidea Cope 1996 (clam)
Full reference: J. C. W. Cope. 1996. Early Ordovician (Arenig) bivalves from the Llangynog Inlier, South Wales. Palaeontology 39(4):979-1026
Parent taxon: Arcida according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Cope 1996, Fang 2006 and Nevesskaja 2009
Sister taxa: Antoneila, Arcoidea, Austracuculiaea, Ekaterdonta, Glycymeridoidea, Glycymeroidea, Limopsoidea, Okinawanoarca, Pentoperna, Philobryoidea, Pitchleria
Subtaxa: Glyptarcidae Pucamyidae
Ecology: facultatively mobile semi-infaunal suspension feeder
Distribution: