Synonyms for cretaceous
krɪˈteɪ ʃəscre·ta·ceous

Princeton's WordNet

1. Cretaceous, Cretaceous periodadjective

   from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants

2. cretaceousadjective

   abounding in chalk

3. Cretaceousadjective

   of or relating to or denoting the third period of the Mesozoic era

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1. cretaceousadjective

   Synonyms:
   chalky

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1. Lindsay Zanno:

   With a lethal combination of bone-crunching bite forces, stereoscopic vision, rapid growth rates, and colossal size, tyrant dinosaurs reigned uncontested for 15 million years leading up to the end-Cretaceous extinction -- but it wasn't always that way, when and how quickly tyrannosaurs went from wallflower to prom king has been vexing paleontologists for a long time. The only way to attack this problem was to get out there and find more data on these rare animals.

2. Adam Huttenlocker:

   For a long time, we thought early mammals from the Cretaceous (145 to 66 million years ago) were anatomically similar and not ecologically diverse, this finding by our team and others reinforce that, even before the rise of modern mammals, ancient relatives of mammals were exploring specialty niches: insectivores, herbivores, carnivores, swimmers, gliders.

3. Johann Klages:

   To get a better idea of what the climate was like in this warmest phase of the Cretaceous, we first assessed the climatic conditions under which the plants' modern descendants live.

4. Matija Cuk:

   But that fact allows us to use computer simulations to tease out the history of Saturn’s inner moons, doing so, we find that they were most likely born during the most recent 2 percent of the planet’s history. Related : Saturn's largest moon Titan is bursting with color Researchers had long thought Saturn’s rings were as old as the planet itself. But that thinking changed in 2012, when French astronomers found that tidal effects – the gravitational interaction of the inner moons with fluids deep in Saturn’s interior – are causing them to spiral to larger orbital radii comparatively quickly. The implication, given their present positions, is that these moons, and presumably the rings, are not so old. That still did n’t answer exactly when they were born. Cuk and his team turned to results from NASA’s Cassini mission, which has observed ice geysers on Saturn’s moon Enceladus. Assuming that the energy powering these geysers comes directly from tidal interactions and that Enceladus ’ level of geothermal activity is more or less constant, then the tides within Saturn are quite strong. According to the team’s analysis, these would move the satellite by the small amount indicated by the simulations in only about 100 million years. Related : Cassini probe takes' cosmic bulls-eye' of Saturn moons Enceladus, Tethys This would date the formation of the major moons of Saturn, with the exception of more distant Titan and Iapetus, to the relatively recent Cretaceous Period, the era of the dinosaurs.

5. Jeremy Lockwood:

   Brighstoneus shows that there was greater diversity in the Lower Cretaceous iguanodontians than we realized.