Continental sedimentary successions are important archives of terrestrial flora and fauna, as well as the paleoenvironmental conditions that dominated the continents in the geologic past. However, establishing the tempo and patterns of evolution in relation to documented climatic and geologic changes is li...
These rela- tively productive Maastrichtian localities occupy a restricted latitudinal belt (~40–50°), whilst sites at higher and lower lati- tudes do not meet the same ideal preservation or sampling criteria (i.e. they are generally remote places, far away from research centres, and are ...
The degree of interdigitation is stronger than in Arenysaurus50, but not developed to the same degree as seen in Corythosaurus52. In places the frontoparietal suture is well-developed, but in others is difficult to see, due either to tight knitting of bones or perhaps partial fusion of ...
These rela- tively productive Maastrichtian localities occupy a restricted latitudinal belt (~40–50°), whilst sites at higher and lower lati- tudes do not meet the same ideal preservation or sampling criteria (i.e. they are generally remote places, far away from research centres, and are ...
” Large trackway sites also exist in the eastern and westernUnited States,Canada,Australia,England,Argentina,South Africa, andChina, among other places. These sites, dating from the LateTriassic Period(235 million to 201.3 million years ago) to the latest Cretaceous (66 million years ago), ...
Last month, I visited Grand Staircase as president of the Society of Vertebrate Paleontology to see this incredible site for myself. As a paleontologist, I have worked in theCretaceous-age rocksof Hell Creek in Montana and Big Bend National Park in Texas, as well as in central Kazakhstan and...
Where found: North America (especially in parts of Oklahoma, Texas, and Wyoming) Length: Up to 38 feet (11.5 meters) One of the apex predators of its time,Acrocanthosauruswas known for the distinctive ridge or spine running along its back. This ridge, which is believed to have supported ...
“The dinosaur park would be a huge win for the town of Montgomery and is aligned with our vision to become a premier destination to work, live and visit,” Town of Montgomery Economic Development Director Felicia Kalan said. “The developer intends to enter into a Community Host Agreement wh...
this swath of land was part of an island continent known as Laramidia, which spanned from what is now Alaska to Mexico. It's possible thatT. rex's stomping grounds included more parts of Laramidia; however, due to erosion, scientists haven't foundT. rexfossils in places such as Alask...
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