Results 31 to 40 of about 4,654 (162)
Guangxi Zhuang Autonomous Region is an important region for dinosaur fossil discoveries in southern China, but its Jurassic dinosaur record remains relatively sparse.
Lida Xing +7 more
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First dinosaur tracks from the Açu Formation, Potiguar Basin (mid-Cretaceous of Brazil)
We record a new ichnosite bearing dinosaur tracks from the mid-Cretaceous (Aptian? -Cenomanian) of Brazil. The Fazenda dos Pingos ichnosite is situated within a sandstone pavement of the Açu Formation (Açu 3 unit) from the Potiguar Basin in the State of ...
GIUSEPPE LEONARDI +2 more
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Osteohistology reveals the smallest adult Jurassic sauropodomorph
The earliest sauropodomorphs were small omnivores (less than 10 kg) that first appeared in the Carnian. By the Hettangian, early branching sauropodomorphs (EBSMs) were globally distributed, had variable postures, and some attained large body masses ...
Kimberley E. J. Chapelle +2 more
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Annually, tetrapod vertebrate bone apposition is briefly interrupted, which typically coincides with the yearly environmental nadir. The temporary appositional hiatus is histologically recorded in bone cortex as a hypermineralized ring termed a line of ...
Holly N. Woodward
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Despite the Hebrides and Cleveland basins being geographically close, research has not previously been carried out to determine faunal similarities and assess the possibility of links between the dinosaur populations.
Mike Romano +2 more
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A long-forgotten ‘dinosaur’ bone from a museum cabinet, uncovered to be a Japan's iconic extinct mammal, Paleoparadoxia (Desmostylia, Mammalia) [PDF]
Here, we report a new ‘discovery’ of a desmostylian fossil in the geological collection at a national university in Japan. This fossil was unearthed over 60 years ago and donated to the university.
Kumiko Matsui +11 more
doaj +1 more source
Intelligent Objective Osteon Segmentation Based on Deep Learning
Histology is key to understand physiology, development, growth and even reproduction of extinct animals. However, the identification and interpretation of certain structures, such as osteons, medullary bone (MB), and Lines of Arrested Growth (LAGs), are ...
Zichuan Qin +4 more
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Modularity and heterochrony in the evolution of the ceratopsian dinosaur frill
The fossil record provides compelling examples of heterochrony at macroevolutionary scales such as the peramorphic giant antlers of the Irish elk.
Albert Prieto‐Márquez +4 more
doaj +1 more source
PROSPECTS FOR THE DEVELOPMENT OF GEOTOURISM IN THE ATYRAU REGION OF THE REPUBLIC OF KAZAKHSTAN [PDF]
Paleontology, being one of the branches of geology, is a scientific discipline that helps to understand the evolution of life on Earth. The dissemination of information about paleontology is currently based on fossil finds and descriptions of their ...
Jamilya B. YAKUPOVA* +1 more
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