spiral, and even a star-shaped form. The oldest rudists are found in late Jurassic rocks in France. The rudists became extinct at the end of the Cretaceous...

and seas were populated with now-extinct marine reptiles, ammonites, and rudists, while dinosaurs continued to dominate on land. The world was largely ice-free...

relatives of Megalodon such as Pachyrisma grande were closely related to the rudists. †Megalodon hungaricum †Megalodon longjiangensis †Megalodon rostratiforme...

Ordovician period, 488 to 443 million years ago. One bivalve group, the rudists, became major reef-builders in the Cretaceous, but became extinct in the...

bryozoa, and parts of the shells of some bivalves (such as oysters and rudists). Calcite is found in spectacular form in the Snowy River Cave of New Mexico...

lagoonal to estuarine environment and contain many fossil fish, flora and rudists, typical reef-building organisms of the Cretaceous. The formation rests...

decline. More modern teleost fish begin to appear. Ammonoids, belemnites, rudist bivalves, sea urchins and sponges all common. Many new types of dinosaurs...

plesiosaurs, several groups of mammals, ammonites (nautilus-like mollusks), rudists (reef-building bivalves), and various groups of marine plankton. In all...

order of bivalves known as rudists, were major reef-building organisms during the Cretaceous. By the mid-Cretaceous, rudists became the dominant tropical...

later successions included stromatoporoids, corals, algae, bryozoa, and rudists (a form of bivalve mollusc). The extent of organic reefs has varied over...

genus diversity experienced a gradual increase throughout the period. Rudists, the dominant reef-building organisms of the Cretaceous, first appeared...

Radiolitidae is a family of rudists in the order Hippuritida. These rudists lived between the Jurassic and the Cretaceous (age range: 130.0 to 66.043...

bivalve molluscs in the order Hippuritida, family Requieniidae. These rudists lived in the Cretaceous period, from the Valanginian age (136.4–140.2)...

Formation is a geologic formation in Jamaica. It preserves fossils such as rudists, echinoids and corals from the Santonian stage of the Cretaceous Period...

Bibcode:1994CorRe..13....3C. doi:10.1007/BF00426428. S2CID 42938715. "The Rudists". University of California Museum of Paleontology. Retrieved 2008-11-27...

February 2020). "Subdaily-Scale Chemical Variability in a Rudist Shell: Implications for Rudist Paleobiology and the Cretaceous Day-Night Cycle". Paleoceanography...

Caprina is a genus of rudists, a group of marine heterodont bivalves belonging to the family Caprinidae. These stationary intermediate-level epifaunal...

feed on detritus. Coccolithophorids and mollusks (including ammonites, rudists, freshwater snails, and mussels), and those organisms whose food chain...

in eastern China. 155 Ma First blood-sucking insects (ceratopogonids), rudist bivalves, and cheilostome bryozoans. Archaeopteryx, a possible ancestor...

Caprinidae is a family of rudists, a group of unusual extinct saltwater clams, marine heterodont bivalves in the order Hippuritida. These stationary intermediate-level...

fossiliferous limestones with minor levels of dolomites. The formation is rich in rudists and miliolids. Breccias and clayey conglomerates, siltstones and limestones...

Requieniidae is a family of rudists, in the order Hippuritida, which lived from 155.7 to 66.043 million years ago. Placed by the WoRMS and Fossilworks...

units (members) from younger to older as follows: Basal clastic member Rudist-bearing limestone-marl member Limestone member Actaeonella-bearing limestone-marl...

Titanosarcolites is a genus of giant rudist bivalve from the Cretaceous. Its fossils have been found in Jamaica, Southeastern Mexico and the Southern US...

Professional Paper 1304:1-104 A. Torre. 1960. Notas sobre rudistas [Notes about rudists]. Memorias de la Sociedad Cubana de Historia Natural 25(1):51-64...

Diceratidae is a family of rudists, a group of unusual extinct saltwater clams, marine heterodont bivalves in the order Hippuritida. Genera within the...

invertebrates known to have lived in this sea include various species of rudists, crinoids and cephalopods (including squids and ammonites). Large fish...

development of coral reefs, which abounded with molluscs, particularly rudists. These were the origin of the Urgonian Limestone which forms the upper...

abundant rudist bivalves within the Caribbean faunal province', the International Union of Geological Sciences (IUGS) included the 'Late Cretaceous rudist bivalves...

groups: Caprinidae, a family of extinct bivalve molluscs forming part of the Rudists Caprinae, a family of ruminant mammals, the goat-antelopes, including sheep...