Alternative spelling: Arenomya
Parent taxon: Mya according to F. S. MacNeil 1965
See also Kafanov and Ogasawara 2003 and Sepkoski 2002
Sister taxa: Mya (Geramya), Mya (Mya), Mya convexa, Mya cuneiformis, Mya dilata, Mya ilyinensis, Mya kovatschensis, Mya majanatschensis, Mya montereyana, Mya producta, Mya sachalinensis, Mya schweinfurthi, Mya simplex, Mya tigilensis, Mya virgo, Mya wilsoni
Subtaxa: Mya (Arenomya) arenaria Mya (Arenomya) arrosis Mya (Arenomya) dickersoni Mya (Arenomya) elegans Mya (Arenomya) ezoensis Mya (Arenomya) fujiei Mya (Arenomya) grewingki Mya (Arenomya) kusiroensis Mya (Arenomya) marujamensis Mya (Arenomya) nucleoides Mya (Arenomya) profundior Mya (Arenomya) ugolnensis
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Belgium (1 collection), Canada (23: Labrador, New Brunswick, Newfoundland, Newfoundland and Labrador, Nunavut, Quebec), Japan (8), Morocco (1), the United Kingdom (12), United States (49: Alaska, Delaware, Florida, Maine, Maryland, Massachusetts, New Jersey, New York, North Carolina, South Carolina, Vermont, Virginia, Washington)
• Pliocene of Antarctica (1), Japan (3), the Netherlands (1), the Russian Federation (1), the United Kingdom (4), United States (3: California, North Carolina)
• Hemphillian of United States (1: California)
• Miocene of Argentina (1), Japan (1), the Russian Federation (12), United States (18: Alaska, California, Maryland, Virginia)
• Oligocene of Japan (10), the Russian Federation (5), United States (1: Alaska)
• Eocene of Antarctica (11), Japan (8), the Russian Federation (1), United States (4: Oregon)
Total: 180 collections including 185 occurrences