Trend Results : Cretaceous

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Paleontologists find adorably chubby missing lizard link

A new species of lizard from the Late Cretaceous era links New World lizards with those from the Old World for the first time.

Gueragama sulamericana, New Lizard from the Cretaceous of Brazil

A stem acrodontan lizard in the Cretaceous of Brazil revises early lizard evolution in Gondwana. 2015. Nature Communications University of Alberta paleontologists have discovered a new species of lizard, named Gueragama sulamericana,...Show More Summary

Fossil remains of Old World lizard discovered in the New World overturn long-held hypothesis of lizard evolution

Paleontologists have discovered a new species of lizard, named Gueragama sulamericana, in the municipality of Cruzeiro do Oeste in Southern Brazil in the rock outcrops of a Late Cretaceous desert, dated approximately 80 million years ago.

Ammonites on the brink of extinction: diversity, abundance, and ecology of the order Ammonoidea at the Cretaceous/Paleogene (K/Pg) boundary

We examined the stratigraphic distribution of ammonites at a total of 29 sites around the world in the last 0.5 myr of the Maastrichtian. We demarcated this interval using biostratigraphy, magnetostratigraphy, cyclostratigraphy, and data on fossil occurrences in relation to the K/Pg boundary in sections without any facies change between the highest ammonites and the […]

Is this the first flower that ever bloomed?

A freshwater plant from the Cretaceous era has been identified as one of the first ever flowering plants.

Montsechia vidalii: Earliest Known Flowering Planet Discovered in Hautervian Cretaceous Spain

Indiana University paleobotanist David Dilcher and colleagues in Europe have identified a 125 million- to 130 million-year-old freshwater plant as one of earliest flowering plants on Earth.The finding, reported Aug. 17 in the Proceedings...Show More Summary

Inside Discovery Guides: Why you should consider a museum tour with a concierge

2 weeks agoArts / Museums : Beyond Bones

by “Cretaceous” Chris Wells The Houston Museum of Natural Science started small. Back in 1909, when the museum was founded, you could probably see everything we had to offer in 30 minutes. But since our opening, HMNS has been growing exponentially. … Continue reading ?

Tracking Down German Meat-Eating Dinosaurs

Biologist Provides Fresh Insight into Early Cretaceous Dinosaur Tracks Many of us, will this summer, go for a stroll along the beach whilst on a visit to the seaside.  It seems this pastime may have been popular with Theropod dinosaurs too.  Biologist Pernille Venø Troelsen of the University of Southern Denmark, has provided a fresh perspective […]

Study of Teeth Hints at Late Cretaceous Theropod Diversity

Theropod Diversity Study (Upper Cretaceous South Pyrenees Basin of Spain) Large dinosaur bones might make the headlines and attract the most media attention, but an analysis of shed Theropod teeth, some of them tiny, indicate that there were potentially many more different types of Theropod dinosaur roaming around Spain in the Late Cretaceous.   Dinosaurs were […]

Quantitative Temperature Records of mid Cretaceous Hothouse PaleoClimate

Quantitative temperature records of mid Cretaceous hothouse: Evidence from halite fluid inclusionsAuthors:Zhang et alAbstract:Quantitative temperature reconstructions for the mid Cretaceous are still rare although its typical greenhouse climate is regarded as one of the best analogues for future global warming. Show More Summary

Big dinosaur discoveries in tiny toothy packages

Researchers have examined one of the smallest parts of the fossil record -- theropod teeth -- to shed light on the evolution of dinosaurs at the end of the Cretaceous. Findings have effectively quadrupled the dinosaur diversity in the area of study, including the exceptional site of Laño. There were previously only two known species in the area.

Dramatic Cretaceous Greenhouse Conditions Allowed Turtles To Inch Towards Higher Latitudes

A new study using the fossil record of turtles over the last 220 million years shows that warm climates had an impact on their range and diversity

Tetrapodophis amplectus: That Controversial Four Legged Snake From Aptian Cretaceous Brazil

A four-legged snake from the Early Cretaceous of GondwanaAuthors:Martill et alAbstract:Snakes are a remarkably diverse and successful group today, but their evolutionary origins are obscure. The discovery of snakes with two legs hasShow More Summary

The Iron Toothed Multituberculate Mammal From Maastrichtian Cretaceous Transylvanian “Ha?eg Island”

Red Iron-Pigmented Tooth Enamel in a Multituberculate Mammal from the Late Cretaceous Transylvanian “Ha?eg Island”Authors:Smith et alAbstract:Mammals that inhabit islands are characterized by peculiar morphologies in comparison to their mainland relatives. Show More Summary

Dissolution, ocean acidification and biotic extinctions prior to the Cretaceous / Paleogene (K/PG) boundary in the tropical Pacific

The several million years preceding the Cretaceous/Paleogene (K/Pg) boundary has been the focus of many studies. Changes in ocean circulation and sea level, extinctions, and major volcanic events have all been documented for this interval. Important research questions these changes raise include the climate dynamics during the warm, but not hot, time after the decay […]

Habitat Preferences of Polar Dinosaurs in Maastrichtian Cretaceous Alaska

A Multi-disciplinary Perspective on Habitat Preferences among Dinosaurs in a Cretaceous Arctic Greenhouse World, North Slope, Alaska (Prince Creek Formation: Upper Maastrichtian)Authors:Fiorillo et alAbstract:The Prince Creek Formation...Show More Summary

The New Winged Dragon from Liaoning Province

Zhenyuanlong – A Big Bird, well, Almost This week we have seen the latest feathered and fluffy dinosaur revealed from the Lower Cretaceous deposits of Liaoning Province, north-eastern China.  Scientists from the University of Edinburgh including the very talented Dr. Steve Brusatte, in collaboration with colleagues from the Institute of Geology (Chinese Academy of Geological […]

The First Polycotylid Plesiosaur From Coniacian/Campanian Cretaceous Antarctica

First record of Polycotylidae (Sauropterygia, plesiosauria) from the Upper Cretaceous of AntarcticaAuthors:Novas et alAbstract:In the present paper we report the incomplete skeleton of an indeterminate polycotylid that includes the articulated pelvic girdle. Show More Summary

Dinosaur egg treasure trove found in Japan

Researchers have discovered fragments of fossilized dinosaur eggs in Southern Japan, according to a June 29 report in the journal Cretaceous Research. The 90 eggshell fragments once housed five different types of dinosaurs, all of them small. Show More Summary

Dinosaurs Abruptly Disappeared at/near K-Pg/KT Boundary in the Southern Pyrenees, Ecology Took Very Long Time to Recover

The upper Maastrichtian dinosaur fossil record from the southern Pyrenees and its contribution to the topic of the Cretaceous–Palaeogene mass extinction eventAuthors:Canudo et alAbstract:In the present paper, the fossil record of the...Show More Summary

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