Family Gaimardiidae Hedley 1916 (clam)
Bivalvia - Cardiida - Gaimardiidae
Parent taxon: Gaimardioidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Nevesskaja 2009, Newell 1965, Stilwell and Zinsmeister 1992 and Vokes 1980
Sister taxa: none
Subtaxa: Costokidderia Eugaimardia Gaimardia Neogaimardia
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Pliocene of Antarctica (2 collections)
• Eocene of Antarctica (1)
Total: 3 collections each including a single occurrence