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, SerbiaAndjelkovic M., 1955. Contribution a la connaissance de la composition geologique et structure tectonique du terrain entre Ljig, Ugrinovci et g. Branetic (en Sumadia - Serbie), Annales geologiques de la Peninsule Balkanique, tome XXIII, Spain, Switzerland, Turkey, Ukraine, United States, Venezuela; Jurassic of Hungary.
Species Requienia ammonia Requienia migliorinii Requienia renevieri
References
External links Universal Biological Indexer Organism names Paleobiology Database Sepkoski, Jack Sepkoski's Online Genus Database