نتایج جستجو برای: upper cretaceous
تعداد نتایج: 212358 فیلتر نتایج به سال:
Journal:
:American Journal of Science
1904
2014
Valentin Fischer
Nathalie Bardet
Myette Guiomar
Pascal Godefroit
BACKGROUND Ichthyosaurs are reptiles that inhabited the marine realm during most of the Mesozoic. Their Cretaceous representatives have traditionally been considered as the last survivors of a group declining since the Jurassic. Recently, however, an unexpected diversity has been described in Upper Jurassic-Lower Cretaceous deposits, but is widely spread across time and space, giving small clue...
Journal:
:Ameghiniana
2016
Journal:
:The Paleontological Society Special Publications
1992
Journal:
:American Journal of Botany
1934
Journal:
:Cretaceous Research
2016
Journal:
:International Journal of Geosciences
2014
Journal:
:Palaeontology
2002
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