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...

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...

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

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

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...

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...

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

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...

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

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...

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

Ordovician – Recent] Pachydonta: Large, different, deformed teeth (e.g. rudist spp.). [ Late Jurassic – Upper Cretaceous] Desmodonta: Hinge-teeth absent...

It bears fossil animals from the Mesozoic era (140 My), particularly rudists. For several species, the reef represents the locus typicus. The local...

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

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

especially members of the red algae (Rhodophyta), and molluscs (especially the rudist bivalves during the Cretaceous Period) have created massive structures at...

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

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

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

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

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

1–180, retrieved 2019-02-06 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...

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

ostreid is Konbostrea, with shell height reaching up to 1.2 m (3 ft 11 in). Rudist Titanosarcolites had overall size around 2 m (6 ft 7 in). Complete shell...

formation comprises micritic limestones, in places karstified and dolomitized. Rudists and fossil ankylosaur, sauropod and theropod tracks have been reported...