| Taxon | Megalodontida |
|---|---|
| Authority | Starobogatov, 1992[1][2] |
| Fossil range | Late Ordovician - Late Cretaceous (Katian - Maastrichtian) |
| Subdivision ranks | Superfamilies |
| Subdivision |
|
Megalodontida is an extinct order[1][2] of bivalve molluscs whose members lived from the Katian age of the Late Ordovician to the Maastrichtian age of the Late Cretaceous.[1]
It contains two superfamilies, Mecynodontoidea and Megalodontoidea.[1][2]