Bivalvia - Cardiida - Trapezidae
Alternative spelling: Trapeziidae
Synonyms: Cypricardiidae Dall 1895, Kitsoniidae Eames 1957, Libitinidae Thiele 1926, Lithophagellidae Cossmann 1911
Parent taxon: Arcticoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Coan et al. 2000, Nevesskaja 2009, Ros-Franch et al. 2014, Squires 1999 and Vokes 1980
Sister taxa: Arcticidae, Bernardinidae, Euloxidae, Pollicidae, Veniellidae, Veniellinae
Subtaxa: Coralliophaga Corbiculopsis Cypricardia Glossocardia Kitsonia Langvophorus Libitina Lithophagella Pseudopleurophorus Straelenotrapezium Tortucardia Trapezium
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Djibouti (1 collection), Egypt (1), Haiti (1), Italy (1), Japan (3), Kenya (1), Saudi Arabia (3), the Seychelles (2), Tonga (2), United States (4: Florida, Hawaii)
• Pliocene of Antarctica (1), Belgium (2), the United Kingdom (2), Venezuela (1)
• Miocene of Algeria (1), Austria (3), Bulgaria (2), the Dominican Republic (1), France (1), Germany (1), Hungary (1), Italy (2), Japan (8), Moldova (11), Poland (4)
• Oligocene to Miocene of United States (1: Florida)
• Oligocene of Denmark (1), United States (1: Mississippi)
• Eocene of Bulgaria (1), Egypt (1), France (1), India (1), Japan (6), Senegal (1), Ukraine (2), the United Kingdom (1), United States (9: Alabama, California)
• Paleocene of Egypt (1), Nigeria (1), Pakistan (1), the Russian Federation (1), United States (3: Alabama, Maryland)
• Cretaceous of Brazil (1), Mexico (2), New Zealand (1), Poland (5), Spain (1), Switzerland (1)
• Jurassic of France (3), Italy (1)
• Triassic of Germany (2), Jordan (1), Poland (1), Vietnam (1)
• Permian of Australia (1)
Total: 114 collections including 128 occurrences