Trend Results : Cretaceous


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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 weekHumor / 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

There was a 4 C Temperature Drop at High Latitude During the Valanginian Cretaceous

Latitudinal temperature trends in the northern hemisphere during the Early Cretaceous (Valanginian - Hauterivian)Authors:Meissner et alAbstract:We present the first detailed stable isotope record (?13C, ?18O) for the Valanginian (Lower Cretaceous) of the southern Boreal Realm. Show More Summary

Cretaceous Chic

last monthHumor : Neatorama

Tyrannosaurus Rex may get teased for not having arms long enough for a proper embrace, but no one ever said anything about its tail. Tame the powerful beast enough to wrap him around your finger with these rings from Applelatte at Etsy. Show More Summary

Evolution of Assymmetical Feathers in Basal Cretaceous Avians

Barb geometry of asymmetrical feathers reveals a transitional morphology in the evolution of avian flightAuthors:Feo et alAbstract:The geometry of feather barbs (barb length and barb angle) determines feather vane asymmetry and vane rigidity, which are both critical to a feather's aerodynamic performance. Show More Summary

Thermal Pulse From Chicxulub Impact was not Mass Extinction Kill Mechanism

An experimental assessment of the ignition of forest fuels by the thermal pulse generated by the Cretaceous–Palaeogene impact at Chicxulub Authors:Belcher et alAbstract:A large extraterrestrial body hit the Yucatán Peninsula at the end of the Cretaceous period. Show More Summary

No Sign of any Long-term Declines in Maastrichtian Cretaceous Europe Prior to Chicxulub Impact

Island life in the Cretaceous - faunal composition, biogeography, evolution, and extinction of land-living vertebrates on the Late Cretaceous European archipelagoAuthors:Csiki-Sava et alAbstract:The Late Cretaceous was a time of tremendous...Show More Summary

Great Trippin Titanosaurs! Grass, Ergot Fungus Found in Amber From Albian/Cenomanian Cretaceous Myanmar

A perfectly preserved amber fossil from Myanmar has been found that provides evidence of the earliest grass specimen ever discovered - about 100 million years old - and even then it was topped by a fungus similar to ergot, which forShow More Summary

Orientognathus chaoyngensis: a new Rhamphorhynchid Pterosaur From Upper Jurassic China

A new rhamphorhynchid pterosaur (Pterosauria) from Jurassic deposits of Liaoning Province, ChinaAuthors:Lü et alAbstract:Compared to pterosaurs from the Early Cretaceous from China, Late Jurassic pterosaurs are relatively rare. A new rhamphorhynchid pterosaur, Orientognathus chaoyngensis gen. Show More Summary

Cardiocorax mukulu: a new Elasmosaurid Pleisosaur From Maastrichtian Cretaceous Angola

A new elasmosaurid from the early Maastrichtian of Angola and the implications of girdle morphology on swimming style in plesiosaursAuthors:Araújo et alAbstract:We report here a new elasmosaurid from the early Maastrichtian at Bentiaba, southern Angola. Show More Summary

New Discoveries at From the Jehol Biota Lagerstatte

The Jehol Biota, an Early Cretaceous terrestrial Lagerstätte: new discoveries and implicationsAuthor:Zhou Abstract:The study of the Early Cretaceous terrestrial Jehol Biota, which provides a rare window for reconstruction of a Lower Cretaceous terrestrial ecosystem, is reviewed with a focus on some of the latest progress. Show More Summary

Tirotherium aptum: a new tribotherian Boreosphenid Mammal From Santonian/Campanian Cretaceous Alberta

A new tribotherian (Mammalia, Boreosphenida) from the late Santonian to early Campanian upper Milk River Formation, AlbertaAuthors:Montellano-Ballesteros et alAbstract:A new tribotherian mammal, Tirotherium aptum gen. et sp. nov., is...Show More Summary

A Walk Through Dinosaurland

Jim Lawson of Paleo: Tales of the Late Cretaceous has a new comic project called A Walk Through Dinosaurland. It looks great! The funding goal has been met, but that shouldn't stop you from grabbing some perks. Hat tip to Palaeoblog for the catch.

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