The Early Miocene (also known as Lower Miocene) is a sub-epoch of the Miocene Epoch made up of two stages: the Aquitanian and Burdigalian stages.
The sub-epoch lasted from 23.03 ± 0.05 Ma to 15.97 ± 0.05 Ma (million years ago). It was preceded by the Oligocene epoch. As the climate started to get cooler, the landscape started to change. New mammals evolved to replace the extinct animals of the Oligocene epoch.The first members of the hyena and weasel family started to evolve to replace the extinct Hyaenodon, entelodonts and bear-dogs. The chalicotheres survived the Oligocene epoch. A new genus of entelodont called Daeodon evolved in order to adapt to the new habitats and hunt the new prey animals of the Early Miocene epoch; it quickly became the top predator of North America. But it became extinct due to competition from Amphicyon, a newcomer from Eurasia. Amphicyon bested Daeodon because the bear-dog's larger brain, sharper teeth and longer legs built for longer chases helped it to overcome its prey.
Other articles related to "early miocene, miocene, early":
... By the early Miocene, deinotheres had grown to the size of a small elephant, and had migrated to Eurasia ... During the late middle Miocene these modest-seized proboscideans were replaced by much larger forms across Eurasia ... In Europe, Prodeinotherium bavaricum appeared in the early Miocene mammal faunal zone MN 4, but was soon replaced by Deinotherium giganteum in the ...
... also included several extinct genera, as follows Tribe Sciurini Freudenthalia (fossil, early Miocene of Europe assignment to Sciurini "uncertain ... In the early 2000s, several studies were published using DNA sequences to study the interrelationships of squirrels ...
... Fossil Anhingidae are known since the Early Miocene a number of prehistoric darters similar to those still alive have been described, as well as some more distinct genera ... rather than due to them resembling the living species Meganhinga (Early Miocene of Chile) "Paranavis" (Middle/Late Miocene of Paraná, Argentina) – a nomen nudum ... to have been the main driver of the genus' success and survival Anhinga subvolans (Early Miocene of Thomas Farm, USA) – formerly in Phalacrocorax Anhinga cf ...
... Unresolved and basal forms Waimanu (Early – Late Palaeocene) Perudyptes – basal? (middle Eocene) Sphenisciformes gen ... Paleocene) Perudyptes (mid-Eocene) Anthropornis (mid-Eocene –? Early Oligocene) Archaeospheniscus (mid-/Late Eocene – Late Oligocene) Delphinornis ... indet (Late Oligocene/Early Miocene of Hakataramea, New Zealand) Extant genera present in the fossil record Pygoscelis (Middle/Late Miocene – Recent) Spheniscus (Middle ...
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