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Requienia (bivalve)

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Extinct genus of bivalves This article is about the mollusc genus. For the legume genus, see Requienia (plant).

Requienia
Temporal range: Valanginian-Campanian
~140–71 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Requienia ammonia from Cretaceous of France
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: †Hippuritida
Family: †Requieniidae
Genus: †Requienia
Zakhera, 2011

Requienia is an extinct genus of fossil saltwater clam, a marine bivalve molluscs in the order Hippuritida, family Requieniidae. These rudists lived in the Cretaceous period, from the Valanginian age (136.4–140.2) to the Campanian age (70.6–83.5 mya). They were stationary intermediate-level suspension feeders.

Distribution

This genus occurs in the Cretaceous of Albania (collection), Croatia, France, Germany, Hungary, Iraq, Italy, Mexico, Oman, Portugal, Serbia and Montenegro, Spain, Switzerland, Turkey, Ukraine, United States, Venezuela; Jurassic of Hungary.

Species

  • Requienia ammonia
  • Requienia migliorinii
  • Requienia renevieri

References

External links

Taxon identifiers
Requienia


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