Bivalvia - Actinodontida - Anodontopsidae
Synonym: Allodesmatidae Dall 1895
Parent taxon: Anodontopsoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Nevesskaja 2009 and Vokes 1980
Sister taxa: Actinodontidae, Baidiostracidae, Cycloconchidae, Intihuarellidae, Redoniidae
Subtaxa: Allodesma Anodontopsis Ischyrodonta Orthodontiscus
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Silurian of Brazil (1 collection), Canada (1: Ontario), China (2), Paraguay (1), the United Kingdom (4)
• Ordovician of Canada (4: Ontario), China (1), Norway (1), Sweden (1), United States (30: Indiana, Maryland, Minnesota, Minnesota, Illinois, Iowa, Missouri, New York, Ohio, Virginia)
Total: 46 collections including 47 occurrences