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A study on the thermophysiology of metriorhynchids, as indicated by the oxygen isotope composition of the tooth enamel phosphate, is published by Séon et al. (2020). [29] Fossil material of two large-bodied metriorhynchids is reported from lower Kimmeridgian sediments in Bavaria and Baden-Württemberg by Abel, Sachs & Young (2020), who ...
October 6, 2020: New York City $31,800,000 $37,438,704 Purchased by the state of Abu Dhabi. [58] Most expensive fossil ever sold until the sale of the Stegosaurus Apex in 2024. Sale did not include rights to reproduction, which were retained by Black Hills Institute of Geological Research. Numerous replicas are exhibited in museums worldwide. [59]
A study on the anatomy, taphonomy, environmental setting and phylogenetic position of Halszkaraptor escuilliei is published by Brownstein (2019); [210] the study is subsequently criticized by Cau (2020). [211] A study on a fossil lizard found in the abdomen of a specimen of Microraptor zhaoianus from the Lower Cretaceous Jiufotang Formation ...
Ctenosauriscus is an extinct genus of sail-backed poposauroid archosaur from Early Triassic deposits of Lower Saxony in northern Germany.It gives its name to the family Ctenosauriscidae, which includes other sail-backed poposauroids such as Arizonasaurus.
While these are all common attributes of bird tracks, there’s just one problem—true birds don’t arrive in the fossil record until some 60 million years later, in the Late Jurassic.
Three dinosaur fossils from the Jurassic period will go under the hammer at a London auction on Thursday, with price estimates of millions of dollars. Christie's is offering the skeletons of an ...
A study on assemblages of nesting ring-billed gulls, California gulls, American white pelicans and double-crested cormorants at Bowdoin National Wildlife Refuge (Montana, United States), evaluating their utility as taphonomic models for interpreting nesting sites of fossils archosaurs, is published online by Ferguson, Varricchio & Ferguson ...
Extinct archosaurs include non-avian dinosaurs, pterosaurs, and extinct relatives of crocodilians. Modern paleontologists define Archosauria as a crown group that includes the most recent common ancestor of living birds and crocodilians, and all of its descendants.