Bivalvia - Cardiida - Galeommatidae
Synonyms: Chlamydoconchidae Dall 1884, Cyamionematidae Scarlato and Starobogatov 1979, Ephippodontidae Scarlato and Starobogatov 1979, Vasconiellidae Scarlato and Starobogatov 1979
Parent taxon: Galeommatoidea according to J. G. Carter et al. 2011
See also Beu et al. 1990, Bouchet et al. 2010, Coan et al. 2000, Glenn 1904, Marquet 2005, Nevesskaja 2009, Newell 1965 and Vokes 1980
Sister taxa: Ephippiodontidae, Lasaeidae
Subtaxa: Ambuscintilla Chlamydoconcha Cyamionema Ephippodonta Galeomma Lasaeina Laseina Passya Scintilla Scintillona Solecardia Spaniorinus Vasconiella
Ecology: stationary infaunal suspension feeder
Distribution:
• Quaternary of Ecuador (2 collections), France (1), Japan (1)
• Pliocene of Belgium (2), Greece (1)
• Miocene of Belgium (1), France (2), Germany (4), the Netherlands (1), United States (1: Maryland)
• Eocene of United States (3: Alabama, Texas)
• Paleocene of Belgium (1)
• Cretaceous of United States (4: South Dakota, Texas)
Total: 24 collections including 27 occurrences