Bivalvia - Cardiida - Montacutidae
Parent taxon: Leptonoidea according to R. Marquet 2005
See also Beu et al. 1990, Bouchet et al. 2010, Coan et al. 2000, Nevesskaja 2009, Newell 1965, Parker 1982 and Vokes 1980
Sister taxa: Erycinidae, Kelliidae
Subtaxa: Altenaeum Barrimysia Curvemysella Decipula Devonia Fastimysia Fronsella Lasaeoneaera Laubriereia Mancikellia Merignacia Mioerycina Montacuta Montacutona Mysella Pileatona Pythinella Rochefortula Tellimya Thecodonta Virmysella
Ecology: stationary infaunal suspension feeder
Distribution:
• Quaternary of Antarctica (3 collections), Argentina (2), Australia (1), Canada (1: Quebec), Ecuador (1), Greenland (1), Japan (1), Jordan (1), the Netherlands (3), New Zealand (1), South Africa (2), Thailand (1), the United Kingdom (5), United States (26: Alaska, California, Florida, Louisiana, Maryland, Mississippi, North Carolina, South Carolina)
• Pliocene to Pleistocene of Ecuador (1)
• Pliocene of Belgium (5), Panama (2), the United Kingdom (1), Venezuela (2)
• Miocene of Australia (3), Bulgaria (1), Denmark (1), the Dominican Republic (1), France (1), Germany (5), India (1), Italy (1), New Zealand (1), Panama (2), Poland (1), United States (3: Florida)
• Oligocene of France (1)
• Eocene of Antarctica (2), France (1), the United Kingdom (1), United States (3: Alabama)
• Paleocene of United States (2: Alabama, Texas)
Total: 91 collections including 119 occurrences