VME Weeks 1-4|171 Questions with 100% Correct Answers | Verified | Updated 2024

Paleocene - ️️An epoch of the Paleogene period, 65.5 to 55.8 MYA where Order Sirenia emerged from Tethytheria Eocene - ️️An epoch of the Paleogene period, 55.8 to 33.9 MYA where Pezosiren portelli and the first Mediterranean Tethys- Paratethys ancestors of sirenians emerged; much warmer climate than today Oligocene - ️️An epoch of the Paleogene period, 33.9 to 23 MYA where Family Trichechidae, Subfamily Miosireninae, Trichechinae, and Digonginae were thought to emerge, Halitherium emerges Miocene - ️️An epoch of the Neogene Period, 23 to 5.3 MYA Metaxytherium emerges; Metaxtytherium serresii became ecophenotypically dwarfed due to drying up of Mediterranean Sea in the late Miocene Pliocene - ️️An epoch of the Neogene period, 5.3 to 1.8 MYA where Halitheriinae & Metaxytherium became extinct, the Mediterranean Sea stopped drying up Pleistocene - ️️An epoch of the Quarternary period, 2.6 MYA to 11,700 YA where Trichenines dispersed to North American & West Africa; the Ice Age Tethys seaway - ️️Center of origin of the sirenia (throught to be in the Old World) between the northern continents of Laurasia and the southern continents of Gondwana Stable isotope analysis - ️️An analysis of elements that is used in ecology to help identify isotropic markers to identify food in bone and teeth, used to reconstruct ancient diets of organisms