Megatrigoniidae

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Megatrigoniidae Temporal range: from Jurassic to Cretaceous, 164.7–66.043 Ma PreꞒ Ꞓ O S D C P T J K Pg N

A fossil of Pterotrigonia caudata (Agassiz 1840) from the Isle of Wight at Galerie de paléontologie et d'anatomie comparée, Paris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Trigoniida
Superfamily:	†Megatrigonioidea
Family:	†Megatrigoniidae Van Hoepen, 1929

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.

Subfamilies and genera

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Subfamilies and genera within the family Megatrigoniidae:

Megatrigoniinae van Hoepen 1929^[1]
- Anditrigonia Levy, 1967
- Antutrigonia H.A. Leanza & Garate, 1987
- Apiotrigonia Cox 1952
- Bengtsonella Cooper & Leanza 2019
- Californigonia Cooper & Leanza 2019
- Columbitrigonia Poulton, 1977
- Craginella Cooper & Leanza 2019
- Damborenella Cooper & Leanza 2019
- Eoanditrigonia H.A. Leanza, 1993
- Megatrigonia van Hoepen, 1929
- Paranditrigonia Reyes & Pérez, 1983
Pterotrigoniinae van Hoepen 1929
- Paulckella Cooper et al. 1989
- Pterotrigonia van Hoepen 1929

Distribution

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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

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^ Cooper, Michael; Leanza, Héctor (2019-02-10). "On the Middle Jurassic – Early Cretaceous Megatrigoniinae (Bivalvia, Trigoniida): their biogeography, evolution and classification". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 291 (1): 19–40. doi:10.1127/njgpa/2019/0787. ISSN 0077-7749.

Paleobiology Database

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