Megalodontidae

Megalodontidae Temporal range: Devonian–Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
Fossil of Megalodon
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	† Megalodontida
Superfamily:	† Megalodontoidea
Family:	† Megalodontidae Morris & Lycett, 1853
Genera
See text
Synonyms [1]
MegalonidaeMorris & Lycett, 1853

Megalodontidae is an extinct family of bivalve molluscs that reportedly lived from the Devonian to the Jurassic period.

Nomenclature

A family of insects was also previously called "Megalodontidae", containing the sawfly genus Megalodontes . In order to remove the homonymy, that family has been renamed Megalodontesidae. ^[2]

Genera

• † Conchodon
• † Gemmellarodus di Stefano, 1912
• † Megalodon Sowerby, 1827
• † Neomegalodon Guembel, 1864
• † Pachyrisma
• † Protomegalodon
• † Pterocardia Bayan, 1874
• † Quemocuomegalodon Yao et al. 2003
• † Rhaetomegalodon
• † Triadomegalodon Vegh-Neubrandt, 1974

^[3]

Gallery

• 
  Triassic to Jurassic-aged Megalodontid fossil from Elet Island in Busuanga, Palawan, Philippines. P20 coin for scale.
• 
  Another specimen of a Megalodontid fossil from Elet Island in Busuanga, Palawan, Philippines

References

1. 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). "Megalodontidae J. Morris & Lycett, 1853 †". MolluscaBase. World Register of Marine Species . Retrieved 15 December 2025.
2. International Commission on Zoological Nomenclature (1996). "Opinion 1829. Megalodontidae Konow, 1897 (Insecta, Hymenoptera): spelling emended to Megalodontesidae, so removing the homonymy with Megalodontidae Morris & Lycett, 1853 (Mollusca, Bivalvia)". Bulletin of Zoological Nomenclature . 53 (1): 66–67.
3. Paleobiology Database