Bivalvia - Ostreida - Posidoniidae
Parent taxon: Posidonioidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Nevesskaja 2009, Newell 1965, Ros-Franch et al. 2014, Vokes 1980 and Waller and Stanley 2005
Sister taxa: Aulacomyellidae, Daonellidae, Halobiidae
Subtaxa: Amonotis Bositra Caenodiotis Didymotis Ellesmerella Guerichia Imposidonia Magnolobia Multisidonia Posidonia Posidonotis Pseudodidymotis Pterohalobia Steinmannia Veldidenella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cretaceous of Brazil (27 collections), Canada (4: Alberta, British Columbia), Chile (1), Colombia (1), Japan (3), Mexico (1), Nigeria (1), Trinidad and Tobago (1), Venezuela (2)
• Jurassic to Cretaceous of Antarctica (1)
• Jurassic of Argentina (15), Canada (67: Alberta, British Columbia, Yukon), Chile (27), China (1), France (2), Germany (4), Greece (1), Hungary (1), India (69), Iran (1), Italy (10), Japan (5), Kenya (1), Morocco (9), Poland (7), Portugal (4), Romania (1), Slovakia (1), Somalia (3), Spain (12), Switzerland (124), Tanzania (4), Thailand (1), Tunisia (2), Ukraine (1), the United Kingdom (46), United States (7: Alaska, California), Yemen (4)
• Triassic to Jurassic of United States (1: Alaska)
• Triassic of Austria (5), Bosnia and Herzegovina (4), Bulgaria (2), Canada (13: British Columbia, Nunavut), Chile (2), China (58), Germany (1), Hungary (10), India (4), Indonesia (2), Italy (32), Japan (1), Laos (1), Malaysia (2), Nepal (3), Norway (1), Romania (2), the Russian Federation (46), Slovakia (2), Slovenia (5), Spain (3), Svalbard and Jan Mayen (42), Switzerland (1), Thailand (2), Turkey (2), the United Kingdom (1), United States (13: Alaska, California, Nevada), Vietnam (14)
• Permian of Bosnia and Herzegovina (1), China (5), Italy (1), Japan (4), Norway (3), the Russian Federation (6), Turkey (1)
• Westphalian of the United Kingdom (1)
• Namurian of Spain (1)
• Chesterian of United States (3: Arkansas, Virginia, Wyoming)
• Carboniferous of China (2), the Czech Republic (3), France (1), Germany (1), India (1), Morocco (2), the United Kingdom (71), United States (10: Arkansas, Iowa, Kentucky, Nevada, New mexico, Ohio, Texas, Virginia)
• Mississippian of the United Kingdom (1)
• Devonian of China (2), the Czech Republic (1), Germany (4), Italy (1), Libya (1), Poland (3), Spain (1), the United Kingdom (1), Vietnam (2)
Total: 881 collections including 980 occurrences