Requienia (bivalve)

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.

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

Requienia
Temporal range: Cretaceous
Requienia ammonia from Cretaceous of France
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Heterodonta
Order: †Hippuritida
Family: †Requieniidae
Genus: †Requienia
Zakhera, 2011

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
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References


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