How to use in-sentence of “cretaceous”:
– Ceratosauria includes the Upper Jurassic to Upper Cretaceous theropods “Ceratosaurus”, “Elaphrosaurus”, and “Abelisaurus”, found mainly in the southern hemisphere.
– The Mosasaurs of the Upper Cretaceous were by far the most successful of all the lizards, becoming the top predator in their ecosystem.
– Famous locations for “Hesperornis” are the Upper Cretaceous Oceanmarine limestones from Kansas and the marine shales from Canada.
– This is at the contact between Cretaceous and Paleogene rocks.
– The water of the GAB is held in a sandstone layer laid down by continental erosion of higher ground during the Triassic, Jurassic, and Lower Cretaceous periods.
– It lived during the Upper Cretaceous period, 69.5-68.5million years ago, toward the end of the Mesozoic Era.
– The age of the strata, like most of Mongolia’s later Cretaceous sediments, is not known for certain.
– So ended the competition between the two types of flying reptile through the long 79 million years of the Cretaceous period.
Example sentences of “cretaceous”:
– It is known from the remains of two species in the Upper Cretaceous of Alberta, Canada, and Montana, United States.
– Most lived during the Upper Cretaceous between 90-65 million years ago.
– The earliest fossils attributed to the Poales date to the late Cretaceous period about million years ago, though some suggest the origin of the group may be 115 million years ago in South America.
– It is a tiny theropod fossil found in Cretaceous limestone in southern Italy near Naples.
– A new Presbyornithid bird from the late Cretaceous of southern Mongolia.
– The fauna from the Upper Cretaceous of Brazil is very similar to that of Morocco and Egypt during the same time period.
– Hermit crabs first appeared in the Cretaceous period, before the Dinosaurs became extinct.
– An unusual new neosauropod dinosaur from the Lower Cretaceous Hastings Beds Group of East Sussex, England.
– They were the dominant predators of the later Cretaceous of Gondwana.
– Grass did not evolve until the Cretaceous period.
- It is known from the remains of two species in the Upper Cretaceous of Alberta, Canada, and Montana, United States.
- Most lived during the Upper Cretaceous between 90-65 million years ago.
– He recognised that reptiles were the dominant life-form in what we now call the Jurassic and Cretaceous periods.
– Maiasaura lived about 80 to 65 million years ago in the late Cretaceous period.
– A long-snouted, multihorned tyrannosaurid from the late Cretaceous of Mongolia.
– The Upper Cretaceous is the last geologygeological epoch in the Cretaceous.
– The episode begins late in the Cretaceous of Canada, in what is now Dinosaur Provincial Park.
– There are two well-established superchrons, the Cretaceous Normal and the Kiaman.
– It is generally agreed that the Neornithes evolved in the Cretaceous and that the split between the Palaeognathae and Neognathae, and then the split between fowl and the other Neognathae, occurred before the K/T extinction event.
More in-sentence examples of “cretaceous”:
- It has been found in the Lower Cretaceous of Europe, 140 million years ago.
- Taxonomy and systematics of the Late Cretaceous pterosaur "Pteranodon".
– It has been found in the Lower Cretaceous of Europe, 140 million years ago.
– Taxonomy and systematics of the Late Cretaceous pterosaur “Pteranodon”.
– A tiny maniraptoran dinosaur in the Lower Cretaceous Hastings Group: evidence from a new vertebrate-bearing locality in south-east England.
– So, no obsidian is older than Cretaceous age.
– Other sea life included invertebrates such as molluscs, ammonites, squid-like belemnites, and plankton including coccolithophores that secreted the chalky platelets that give the Cretaceous its name, foraminiferans and radiolarians.
– Other plant and animal species that have survived since the dinosaur era can be found along the Cretaceous Trail.
– The ornithopods became one of the most successful groups of herbivores in the Cretaceous world, and dominated the landscape.
– The summit of Mount Conner, along with the summits of Kata Tjuṯa and Uluṟu, is left over from the erosion of a layer of sediment from the Cretaceous period.
– Recent work shows that the group had more variety at the end of the Cretaceous than was thought earlier.
– It is from the early Cretaceous period, 128.2million years ago.
– These bivalves were at their peak in the Jurassic and Cretaceous periods, when they sat in huge muddy oyster beds in shallow tropical seas.
– The find was made in Lower Cretaceous deposits in Fukuoka, Japan in 1990 by Masahiro Sato.
– New carnivorous dinosaurs from the Upper Cretaceous of Mongolia.
– The Pectinidae family had a large number of species in the Mesozoic era, but they almost extinctiondisappeared at the end of the Cretaceous period.
– Carnotaurus sastrei Bonaparte, the horned, lightly built carnosaur from the Middle Cretaceous of Patagonia.
– The group of birds which the moa belongs to had been in existence since the Cretaceous period.
– Early Cretaceous dinosaurs from the Sahara.
– The extinctions at the end of the Cretaceous were caused by one or more catastrophic events, such as massive asteroid or meteorite impacts, or increased volcanic activity.
– The belemnites and ammonites become extinct at the end of the Cretaceous period.
– They are from the Lower Cretaceous Jiufotang Formation, 125million years old.
– Osteology and phylogeny of “Zalmoxes an unusual Euornithopod dinosaur from the latest Cretaceous of Romania.
– The giant “Sauroposeidon” from North America was one of the last brachiosaurs, living just before the end of the Early Cretaceous period.
– A nearly modern amphibious bird from the early Cretaceous of Northwestern China.
– It lived in the Lower Cretaceousearly Cretaceous period, about 125 million years ago.
– The episode finally cuts to an early Cretaceous forest in China, where a “Xianglong” is being hunted by a “Microraptor”, which uses its feathers to pursue the gliding lizard in the air.
– This ceratopsian dinosaur lived during the late Cretaceous period, roughly 84 to 71 million years ago.
– The group first appeared during the Jurassic and is well represented in Cretaceous amber.
– At the end of the Cretaceous period, the Cretaceous–Paleogene extinction event, which made all non-avian and most avian dinosaurs, as well as many other animals, extinct.
– Belemnites were numerous during the Jurassic and Cretaceous periods, and their fossils are abundant in Mesozoic marine rocks, often with their cousins the ammonites.
– In 2011, samples of amber were discovered to contain preserved feathers from the Cretaceous period, with evidence that they were from both dinosaurs and birds.
– This suggests a possible land bridge between Africa and South America during the Cretaceous period.
– The Jurassic period happened between the Triassic and Cretaceous periods.
– It is from Late Cretaceous rocks from Mongolia’s Nemegt Basin.
– A dromaeosaur from the Maastrichtian of James Ross Island and the Late Cretaceous Antarctic dinosaur fauna.
– Skeletal elements of “Alamosaurus” are among the most common Late Cretaceous dinosaur fossils found in the American Southwest and are now used to define the fauna of that time and place.
– A gigantic bird-like dinosaur from the Late Cretaceous of China.
– The rocks the skeleton was found in are as old as the Cenomanian, which is the earliest Stage stage of the Late Cretaceous Period, 100 to 94million years ago.
– It was a large Theropodatheropod which lived in South America during the Upper Cretaceous between about 72 and 70 million years ago.
– Late Cretaceous dinosaur provinciality.
– Zalmoxes is a genus of ornithopod dinosaur from the Upper Cretaceous of Romania.
– The Nodosauridae is a family of ankylosaur dinosaurs, from Upper Jurassic to Upper Cretaceous strata of what are now North America, Asia, Antarctica and Europe.
– Argon radiometry confirmed a Lower Cretaceous age for the site, 120.3 +/-0.7 million years ago.
– A new large-bodied oviraptorosaurian theropod dinosaur from the Latest Cretaceous of western North America.
– A new maniraptoran theropod – “Achillobator giganticus” – from the Upper Cretaceous of Burkhant, Mongolia.
– The rocks on the east side of Dinosaur Ridge are part of the Cretaceous Dakota Formation.
– Giant dinosaur was a terror of Cretaceous waterways.
– There is now evidence that many early bird groups went extinct at the end of the Cretaceous period.
– The group of birds to which the moa belong had been in existence since the Cretaceous period.
– The episode then cuts to a desert in late Cretaceous Mongolia, where a “Saurornithoides” is shown brooding a nest of eggs.