Bivalvia - Cardiida - Tellinidae
Parent taxon: Macoma according to E. J. Moore 2003
See also Coan et al. 2000, Gardner 1947 and Todd 2001
Sister taxa: Macoma (Austromacoma), Macoma (Bendemacoma), Macoma (Heteromacoma), Macoma (Macoploma), Macoma (Panacoma), Macoma (Psammacoma), Macoma (Rexithaerus), Macoma (Salmacoma), Macoma (Scissulina), Macoma albaria, Macoma astori, Macoma brota, Macoma constricta, Macoma costaricana, Macoma danai, Macoma edentula, Macoma elongata, Macoma fusca, Macoma inornata, Macoma kirkinskayae, Macoma lenis, Macoma limula, Macoma lissoni, Macoma marylandica, Macoma meroensis, Macoma montesanoensis, Macoma nasuta, Macoma osakaensis, Macoma pabloensis, Macoma quadrana, Macoma simizuensis, Macoma snohomishensis, Macoma sookensis, Macoma tenta, Macoma tenuiplicata, Macoma tigilensis, Macoma uruguayensis, Macoma viticola, Macoma wilcoxi, Macoma wynootcheensis, Macoma yamadai
Subtaxa: Macoma (Macoma) atsunaiensis Macoma (Macoma) balthica Macoma (Macoma) calcarea Macoma (Macoma) calhounensis Macoma (Macoma) carolinensis Macoma (Macoma) cookei Macoma (Macoma) crassula Macoma (Macoma) elimata Macoma (Macoma) galathea Macoma (Macoma) golikovi Macoma (Macoma) incongrua Macoma (Macoma) inquinata Macoma (Macoma) lama Macoma (Macoma) lipara Macoma (Macoma) loveni Macoma (Macoma) menkeni Macoma (Macoma) middendorffi Macoma (Macoma) moesta Macoma (Macoma) nasuta Macoma (Macoma) obliqua Macoma (Macoma) paralenis Macoma (Macoma) praetenuis Macoma (Macoma) sheridani Macoma (Macoma) torelli Macoma (Macoma) twinensis Macoma (Macoma) virginiana
Ecology: facultatively mobile infaunal deposit feeder
Distribution:
• Quaternary of Belgium (1 collection), Canada (97: New Brunswick, Newfoundland, Newfoundland and Labrador, Nova Scotia, Nunavut, Ontario, Quebec), Greenland (37), Iceland (12), Ireland (1), Japan (8), the Netherlands (6), Poland (4), the United Kingdom (26), United States (86: Alaska, California, Delaware, Florida, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, South Carolina, Vermont, Virginia, Washington)
• Blancan of United States (1: California)
• Pliocene to Pleistocene of Malaysia (1), United States (2: California, Washington)
• Pliocene of Belgium (6), Iceland (2), Japan (11), the Russian Federation (5), the United Kingdom (6), United States (25: Alaska, California, Florida, North Carolina, Oregon, South Carolina)
• Miocene to Pliocene of United States (1: Alaska)
• Miocene of Argentina (1), Japan (18), the Russian Federation (18), United States (30: Alaska, California, Florida, Washington)
• Oligocene of Japan (1), the Russian Federation (2), United States (12: Washington)
• Eocene of United States (14: Oregon)
Total: 434 collections including 522 occurrences