Megalodontida

Megalodontida Temporal range: Late Ordovician - Late Cretaceous (Katian - Maastrichtian) [1] PreꞒ Ꞓ O S D C P T J K Pg N
Megalodon (Megalodontoidea)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Superorder:	Imparidentia
Order:	† Megalodontida Starobogatov, 1992 [1] [2]
Superfamilies [1] [2]
† Mecynodontoidea Haffer, 1959 † Megalodontoidea Morris & Lycett, 1853

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]}

References

1. Megalodontida in the Paleobiology Database
2. Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2025). "Megalodontida †". MolluscaBase. World Register of Marine Species.