Megatrigoniidae

Megatrigoniidae
Temporal range: from Jurassic to Cretaceous, 164.7–66.043Ma
A fossil of Pterotrigonia caudata (Agassiz 1840) from the Isle of Wight at Galerie de paléontologie et d'anatomie comparée, Paris
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Palaeoheterodonta
Order: Trigoniida
Superfamily: Megatrigonioidea
Family: Megatrigoniidae
Van Hoepen, 1929

Megatrigoniidae is an extinct family of fossil saltwater clams, marine bivalve mollusks in the subclass Paleoheterodonta. This family of bivalves is known in the fossil record from the Jurassic period, Tithonian age, to the Cretaceous period, Maastrichtian age. Species in this family were facultatively mobile infaunal suspension feeders.

Subfamilies and genera

Subfamilies and genera within the family Megatrigoniidae:

Distribution

Fossils of this family have been found in Jurassic of Antarctica, Chile, India and in Cretaceous of Angola, Antarctica, Argentina, Austria, Chile, Colombia, Cuba, Ecuador, Egypt, France, Hungary, Italy, Japan, Libya, Madagascar, Mexico, Mozambique, New Zealand, Oman, Peru, Portugal, Serbia and Montenegro, South Africa, Spain, Trinidad and Tobago, Russia, Ukraine, United Arab Emirates, United Kingdom, United States and Yemen.

References