Trend Results : Cretaceous


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Albian Cretaceous Wyoming and Montana had a Diverse Mammal Population

Tribosphenic mammals from the Lower Cretaceous Cloverly Formation of Montana and WyomingAuthors:Cifelli et alAbstract:We report a diverse assemblage of tribosphenidan mammals from several localities in the Cloverly Formation (Lower Cretaceous, Albian) of Montana and Wyoming. Show More Summary

The 100-Million-Year-Old Spider Attack Captured in Amber

6 days agoHumor / odd : mental_floss

This post originally appeared on The History Blog. A hundred million years ago, back in the Early Cretaceous when dinosaurs still roamed the earth, a tiny male parasitic wasp was going about his business when he flew into the web of an orb spider. Show More Summary

Lotheridium mengi: a new Deltatheroidan Metatherian Mammal From Upper Cretaceous China

A new Cretaceous Metatherian mammal from Henan, ChinaAuthors:Bi et alAbstract:We report a new deltatheroidan mammal from the Upper Cretaceous of Henna, China. The new taxon, Lotheridium mengi, is based on a nearly complete skull and associated lower jaws with full adult dentition. Show More Summary

How the 60-Foot-Long 'Sea Rex' Gave Birth

? When we think of the late Cretaceous period, the first giant predator that comes to mind is the resplendent Tyrannosaurus rex—a quintessential hunter on land. But the oceans of the Cretaceous were also home to enormous carnivores,Show More Summary

Life Birth in Mosasaurs

Pelagic neonatal fossils support viviparity and precocial life history of Cretaceous mosasaurs. 2015. Field, et al. Palaeontology Illustration by Julius T. Csotonyi Paleontologists now believe that mighty mosasaurs -- which could grow...Show More Summary

'Dinosaur Discovery: Lost Creatures of the Cretaceous' on view at Queensland Museum

last weekArts : Artdaily

Queensland is having a close encounter with some of the most extraordinary creatures to ever walk the earth with Dinosaur Discovery: Lost Creatures of the Cretaceous on view at the Queensland Museum. Featuring more than 20 animated, life-size dinosaur models, this exhibition transports you back millions of years to when dinosaurs roamed the earth. Show More Summary

Mosasaurs Didn't lay Eggs on the Beach, Were Viviparous

Pelagic neonatal fossils support viviparity and precocial life history of Cretaceous mosasaursAuthors:Field et alAbstract:Mosasaurs were large marine squamates that inhabited all of the world's oceans during the Late Cretaceous. Their...Show More Summary

Dino Donner Party: Fossil Sheds Light on Tyrannosaur Cannibalism

Coming of age in the Cretaceous period was no easy feat for young tyrannosaurs, as evidenced by a new study published today in the open access journal PeerJ. The new research provides an in-depth analysis of the remains of an adolescent Daspletosaurus—a smaller tyrannosaurid cousin to the T-rex. Show More Summary

Evidence the First Few Thousand Years After Chicxulub Impact the Climate Cooled

Palynological evidence for prolonged cooling along the Tunisian continental shelf following the K–Pg boundary impactAuthors:Velekoop et alAbstract:The Cretaceous–Palaeogene (K–Pg) boundary mass extinction event is related to major global environmental changes resulting from a large extraterrestrial impact. Show More Summary

The Transion From Ice House to Greenhouse Paleoclimate Aptian Cretaceous

Black shales – from coolhouse to greenhouse (early Aptian)Authors:Giorgioni et alAbstract:Approximately 120 Ma major volcanic outgassing on the Ontong Java Plateau resulted in perturbations of the global carbon cycle, in a change from...Show More Summary

Cenomanian Cretaceous Morocco Have a Spinosaur Dominated Paleoecology

Overabundance of piscivorous dinosaurs (Theropoda: Spinosauridae) in the mid-Cretaceous of North Africa: The Algerian dilemmaAuthors:Benyoucef et alAbstract:The informally called ‘Continental intercalaire’ is a series of continental and brackish deposits that outcrops in several regions of North Africa. Show More Summary

Nidophis insularis: a Small Maastrichtian Cretaceous Snake Found in a Dinosaur Nest, but not Eating Eggs (hint, something small and toothy was eating it)

A Late Cretaceous madtsoiid snake from Romania associated with a megaloolithid egg nest – Paleoecological inferencesAuthors:Venczel et alAbstract:Here we report on the taphonomy and paleoecological implications of the first record of a small madtsoiid snake (Nidophis insularis) closely associated with a megaloolithid dinosaur egg nest. Show More Summary

Zealandia

Zealandia is a long, relatively narrow fragment of continental crust that split from Antarctica early in the Cretaceous Period (about 120 million years ago) and from Australia toward the end of the Cretaceous (about 80 million years ago as the Tasman Sea opened). Show More Summary

Morning Cup of Links: Odd Cretaceous Animals

last monthHumor / odd : mental_floss

10 Cretaceous Animals That Weren’t Dinosaurs. Prehistoric insects, mammals, fish, and crustaceans were just as weird and interesting. Kraft Foods is pulling its Macaroni & Cheese dinners off shelves because of metal fragments. You might...Show More Summary

Purranisaurus potens: a Very Strange Metriorhynchid Thalattosaur From Tithonian Jurassic/Berriasian Cretaceous Patagonia

Purranisaurus potens Rusconi, an enigmatic metriorhynchid from the Late Jurassic–Early Cretaceous of the Neuquén BasinAuthors:Herrera et alAbstract:The Tithonian record from northwestern Patagonia (Neuquén Basin) documents a complete succession of lower, middle, and late Tithonian marine reptiles. Show More Summary

Campanian/Maastrichtian Cretaceous East Asian Terrestrial Climate was Very Variable

Mid-latitude terrestrial climate of East Asia linked to global climate in the Late Cretaceous Authors:Gao et alAbstract:The Late Cretaceous (late Campanian to Maastrichtian) was characterized by a variable greenhouse climate, with evidence for cooling and/or glaciation and warming events. Show More Summary

Two new Mammal Localities From Lower Cretaceous Siberia

Two new mammal localities within the Lower Cretaceous Ilek Formation of West Siberia, Russia Authors:Averianov et alAbstract:Two new mammal localities have been discovered in the Lower Cretaceous Ilek Formation of West Siberia, Russia, during a field work in 2014. Show More Summary

Understanding a Campanian Cretaceous Rocky Shore Ecology From Sweden

Rocky shore taphonomy—A comparative study of modern and Late Cretaceous analoguesAuthors:Sørensen et alAbstract:Rocky shores are rare in the fossil record due to erosion under both sea-level rise and fall. In contrast, modern rocky shores...Show More Summary

Evidence of Albian/Cenomanian Cretaceous Environmental Pertubation From Peru

Record of Albian to early Cenomanian environmental perturbation in the eastern sub-equatorial PacificAuthors:Navarro-Ramirez et alAbstract:The present paper documents and discusses a new Albian–early Cenomanian carbon isotope (?13Ccarb and ?13Corg) curve from the subequatorial Eastern Pacific in Peru. Show More Summary

Evidence Barremanian/Aptian Cretaceous Global Warming Tied to ‘Oceanic Anoxic Event 1a’

The Barremian and Aptian stepwise development of the ‘Oceanic Anoxic Event 1a’ (OAE 1a) crisis: integrated benthic and planktic high-resolution palaeoecology along the Gorgo a Cerbara stratotype section (Umbria-Marche Basin, Italy)Authors:Patruno...Show More Summary

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