(a.) Having the qualities of chalk; abounding with chalk; chalky; as, cretaceous rocks and formations. See Chalk.
Example Sentences:
(1) In the investigation, the arcade-shaped prisms typical of recent mammals were first seen in material from the Cretaceous period.
(2) Fossil glycoproteins of the soluble organic matrix are present in an 80-million-year-old mollusk shell from the Late Cretaceous Period.
(3) The Masiakasaurus knopfleri, a theropod dinosaur from the Late Cretaceous period, was named after him in 2001.
(4) Species of Spirorchis arose and diversified with North America emydids following the separation of North America and Europe in the late Cretaceous or early Tertiary periods.
(5) The diversity of tetrapods increased from the Devonian to the Permian, remained roughly constant during the Mesozoic, and then began to increase in the late Cretaceous, and continued to do so during the Tertiary.
(6) We report here the discovery of two mammal teeth from the early Cretaceous of Cameroon.
(7) Consequently, the brain's geometry has changed notably since the late Cretaceous.
(8) The known range of the Primates is extended down from the middle Paleocene to the early Paleocene and late Cretaceous by a new genus and two new species from Montana, Purgatorius unio and P. ceratops.
(9) In the Late Cretaceous (80 to 65 million years ago) when the fossil record improves, mammalian enamel investigated from North American localities, are found to be prismatic; allotherian (multituberculate) and metatherian (marsupial) enamels are usually tubular, while eutherian (placental) ones are not.
(10) Spirorchinae arose later (late Cretaceous period) as a Laurasian component parasitic in the more recent pond turtles (Emydidae + Bataguridae).
(11) Dr Corwin Sullivan of the Institute of Palaeontology and Palaeoanthropology states that “It’s always great to meet a new Cretaceous tyrant, and Lythronax might just be a particularly noteworthy one.
(12) Dr Lee Margetts, another member of the Manchester team, said: "The new study clearly demonstrates the dinosaur was more than capable of strolling across the Cretaceous planes of what is now Patagonia, South America."
(13) Integral to the origin of the eutherian style of embryogenesis was the evolution during Cretaceous time of neomorphic, extraembryonic tissues (i.e., trophoblast) having physiological properties that allowed the unique combination of intimate apposition of fetal and maternal tissues and circulatory systems, along with sustained, active morphogenesis.
(14) If so, these pathways are as old in phylogenetic history as the last common ancestor of marsupial and placental mammals--dating from the late Jurassic to early Cretaceous, perhaps 145-120 million years ago.
(15) Levels of sequence divergence, as well as the age and affinities of some mainland fossil taxa, suggest that the origin of Cricosaura was associated with the tectonic evolution of the Greater Antilles in the late Cretaceous.
(16) – Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous … 'What will survive of us is love', wrote Philip Larkin.
(17) These changes suggest: (i): an expansion in the exploitation of dry fruits and seeds by mammals on the ground as well as in the trees after the terminal Cretaceous dinosaur extinction; (ii) a relation between large nuts and rodents, which appear in the late Palaeocene and radiate in the late Eocene; (iii) a relation between primates and fleshy fruits established in the early-Middle Eocene when tropical forests reached their maximum latitudinal extent; (iv) a hiatus of several million years in the vertebrate exploitation of leaves after dinosaur extinction and before the first few mammalian herbivores in the Middle Palaeocene, followed by an expansion in the late Eocene when climates cooled and more open vegetation became established.
(18) Photograph: Andy Farke In the Late Cretaceous of North America, hadrosaurs were at their peak.
(19) Like these giants from the end of the Cretaceous, Lythronax has a relatively broad skull with the orbits facing forwards.
(20) These showed that the amphiumid and dicamptodontine-rhyacotritonine nerve patterns had evolved by the Late Cretaceous, and the sirenid pattern had probably evolved by that time.
Era
Definition:
(n.) A fixed point of time, usually an epoch, from which a series of years is reckoned.
(n.) A period of time reckoned from some particular date or epoch; a succession of years dating from some important event; as, the era of Alexander; the era of Christ, or the Christian era (see under Christian).
(n.) A period of time in which a new order of things prevails; a signal stage of history; an epoch.
Example Sentences:
(1) "In my era, we'd get a phone call from John [Galliano] before the show: this is what the show's about, what do you think?
(2) After the emperor's death, they are named after an era chosen for them; thus Hirohito is known exclusively in Japan as Showa Emperor.
(3) The viral titer was 10(1.8) tissue culture infective doses (TCID) higher than that of commercial ERA vaccine.
(4) Thanks to the groundbreaking technology and heavy investment of a new breed of entertainment retailers offering access services, we are witnessing a revolution in the entertainment industry, benefitting consumers, creators and content owners alike.” ERA acts as a forum for the physical and digital retail sectors of music, and represents over 90% of the of the UK’s entertainment retail market.
(5) We have now entered the era of climate change induced loss and damage.
(6) In an era when citizens expect choice, the council argue, the old model of local government no longer works.” Northants uses the word “right-sourcing” to describe the process of offloading services.
(7) He is seeing clubbers with their hands in the air again: "In the dubstep era everyone just stood there and nodded their heads.
(8) In an article for the Nation, Chomsky courts controversy by arguing that parallels drawn between campaigns against Israel and apartheid-era South Africa are misleading and that a misguided strategy could damage rather than help Israel's victims.
(9) Russia may be on the point of walking out of a major cold war era arms-control treaty, Russian analysts have said, after President Obama accused Moscow of violating the accord by testing a cruise missile .
(10) This deal also promotes the separation of the single market and single currency – a British objective for many years that would have been unthinkable in the Maastricht era.
(11) The new era of medical economics emphasizes prospective payment and alternative delivery systems.
(12) Once availed of the fallacy that athletes are role models, there’s a certain purity that feels almost quaint in an era of athlete as brand.
(13) A “shock to the system” is precisely how his adviser Kellyanne Conway has repeatedly described the new era.
(14) So the worst start to a campaign in the Roman Abramovich era has condemned Chelsea to the top of the Premier League table.
(15) The report’s concluding chapters raised dire warning that the operations of contemporary child protection agencies were replicating many of the destructive dynamics of the Stolen Generations era.
(16) The modern era of leg lengthening has therefore brought two things: new technical versatility to correct complex and coexisting deformities and new concepts of the biology of lengthening that are not device specific and can be applied with most lengthening devices.
(17) Pallo Jordan , the ANC's chief propagandist in exile during the apartheid era, made no effort to hide his emotions.
(18) These infections must have been more common in the pre-antibiotic era and perhaps a search of the older literature would have been more fruitful.
(19) In 1994, he appeared as himself in the television special Smashey and Nicey, the End of an Era.
(20) The club’s increase in capacity from 35,000 at the Boleyn Ground to 60,000 at the former Olympic Stadium also makes it the biggest and most successful stadium move in Britain in the modern era.” The club’s vice-chairman, Karren Brady, added: “David Sullivan, David Gold and I have always believed in the West Ham fanbase and knew we could fill the new stadium “Reports consistently show that we have highest average capacity in the Premier League and every game in our final season at the Boleyn Ground sold out within days of going on sale.