Kingdom Animalia Phylum Mollusca Order Trigoniida | Superfamily Megatrigonioidea Rank Family Subclass Palaeoheterodonta | |
 | ||
Similar Palaeoheterodonta, Trigonioidea, Trigoniidae | ||
Megatrigoniidae is an extinct family of fossil saltwater clams, marine bivalve molluscs 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.
Contents
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.