the end of the Ensenadan and the beginning of the Bonaerian substage of the Lujanian. However, more recent research instead provides an approximate boundary between the Ensenadan and Lujanian, with the Lujanian beginning at least 0.3 Ma.

Climate

There were over 15 glacial-interglacial cycles during the Ensenadan, with glaciation events taking placed along the Patagonian and Fuegian Andes. The Ensenadan was predominately composed of cold & arid or semiarid

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