Megatrigoniidae

Megatrigoniidae is an extinct family of fossil saltwater clams, marine bivalve molluscs in the subclass Palaeoheterodonta. 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.

Megatrigoniidae
Temporal range: from Jurassic to Cretaceous, 164.7–66.043 Ma
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
Order: Trigoniida
Superfamily: †Megatrigonioidea
Family: †Megatrigoniidae
Van Hoepen, 1929

Subfamilies and genera

Subfamilies and genera within the family Megatrigoniidae:

  • Megatrigoniinae van Hoepen 1929
    • Apiotrigonia Cox 1952
  • Pterotrigoniinae van Hoepen 1929

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.

gollark: http://www.simonjf.com/2018/08/27/cmm-of-wasm.html
gollark: https://github.com/WebAssembly/wabt/tree/main/wasm2c
gollark: I imagine the JITs could be adapted.
gollark: Why not? It's a stack machine.
gollark: You would benefit from highly optimized implentations.

References


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