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Neogene also marked the end of the reptilian genera Langstonia and Barinasuchus, terrestrial predators that were the last surviving members of Sebecosuchia, a group related to crocodiles. The oceans were dominated by large carnivores like megalodons and livyatans, and 19 million years ago about 70% of all pelagic shark species disappeared. [21]
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This category contains events which happened in the Neogene, a division of the geologic time scale. See geologic time scale for information about its divisions and how they relate to each other. Subcategories
Biological taxa that went extinct during the Neogene period of geologic time, between 23.03 and 2.58 million years ago during the middle Cenozoic Era See also the preceding Category:Paleogene extinctions and the succeeding Category:Quaternary extinctions
Biological taxa that first appeared during the Neogene period of geologic time, between 23.03 and 2.58 million years ago during the middle Cenozoic Era. Also genera and species that notably evolved during this time and persisted across subsequent geological ages
Passeriformes is twice as species-rich as Rodentia and about five times as species-rich as Chiroptera (bats), which are the two largest orders of mammals. Neognathae also contains some very small orders, often birds of unclear relationships like the hoatzin. The neognaths have fused metacarpals, an elongate third finger, and 13 or fewer ...
The oldest known species of the genus, A. astrei is known from the Early Miocene sites Gardouch and Paulhiac in France, which date to MN1 (or "Mammal Neogene 1" as part of the Mammal Neogene zones). The species was originally described by Kuss in 1962, however, he also noted that its features do not completely match any known genus, and later ...