Bivalvia - Megalodontida - Megalodontidae
Parent taxon: Megalodontoidea according to S. Ros-Franch et al. 2014
See also Bouchet et al. 2010, Carter et al. 2011, Nevesskaja 2009, Newell 1965 and Vokes 1980
Sister taxa: Ceratomyopsidae, Dicerocardiidae, Gemmelarodus, Pachyrismatidae, Wallowaconchidae
Subtaxa: Ampezzania Conchodon Cumularia Eomegalodus Megalodon Megalomoidea Neomegalodon Pachyrisma Paramegalodus Pomarangina Protodiceras Protomegalodon Quemocuomegalodon Rhaetomegalodon Triadomegalodon
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Jurassic of Algeria (1 collection), Germany (4), Indonesia (2), Italy (3), Morocco (1), Oman (1), Slovenia (3), Spain (1), Tajikistan (1)
• Triassic of Austria (19), Bulgaria (1), China (4), Colombia (2), Germany (4), Hungary (28), India (1), Indonesia (3), Italy (37), Japan (1), Poland (3), Serbia and Montenegro (2), Spain (1), Svalbard and Jan Mayen (1), Switzerland (2), Tajikistan (1), Turkey (2), the United Arab Emirates (2), United States (5: Nevada)
• Permian of China (1), India (1), Malaysia (1)
• Devonian of Australia (1), Austria (1), Canada (2: Alberta), China (1), Germany (7), Italy (1)
• Niagaran of United States (1: Indiana)
• Silurian of the Russian Federation (4), Sweden (3), United States (3: Alaska, Iowa)
Total: 163 collections including 321 occurrences