Bivalvia - Cardiida - Mactridae
Parent taxon: Mactridae according to J. H. Signorelli and J. G. Carter 2016
See also Abbott 1974, Beu 2006, Bouchet et al. 2010, Carter et al. 2011, Freneix et al. 1988, Moore 2003 and Vokes 1980
Sister taxa: Darcinia, Darininae, Hemimactra, Leptomactra, Longimactra, Mactrinae, Mactropsis, Mactrotoma, Mulinia, Mulinoides, Pteroluter, Pteropsis, Rangia, Scissodesma, Simomactra, Spisula, Tanysiphoninae, Willimactra, Zenatiinae, Gnathodon
Subtaxa: Heterocardia Lutraria Lutromactra Meropesta Tresus
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Angola (1 collection), Belgium (1), Djibouti (1), Ireland (1), Japan (2), Mexico (7), Morocco (2), Namibia (3), the Netherlands (2), New Zealand (1), Pakistan (1), South Africa (8), Thailand (1), United States (58: California, Washington), Yemen (1)
• Pliocene to Pleistocene of United States (3: California)
• Pliocene of Belgium (5), Greece (1), Holy See (Vatican City State) (1), Japan (1), New Zealand (1), Pakistan (1), South Africa (4), the United Kingdom (4), United States (25: California, Oregon)
• Miocene to Pliocene of United States (11: California)
• Miocene of Algeria (3), Australia (1), Austria (7), Germany (10), Greece (2), Hungary (1), India (2), Iran (1), Italy (6), Japan (1), Moldova (3), Poland (1), the Russian Federation (1), Slovakia (2), Spain (2), United States (7: California)
• Oligocene of Argentina (2), Austria (1), Hungary (2), United States (3: Alaska, California)
• Eocene of the United Kingdom (1)
Total: 206 collections including 211 occurrences