†family Matheriidae Scarlato and Starobogatov 1979 (clam)
Bivalvia - Ostreomorphi - Matheriidae
Parent taxon: Ostreomorphi according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxa: Arcioni, Ischyrodontidae, Ostreioni
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Devonian of Canada (1: Quebec collection)
• Silurian of United States (4: Wisconsin)
• Ordovician of Canada (1: Ontario), United States (13: Illinois, Iowa, Minnesota, Minnesota, Illinois, Iowa)
Total: 19 collections each including a single occurrence