oligocene in English
It includes the Palaeocene, Eocene, and Oligocene epochs, spanning the time from the end of the Mesozoic to the beginning of the Neogene, i.e. from 65 Ma to 23 Ma.
Use "oligocene" in a sentence
1. Marine fossils from the Oligocene are rare in North America.
2. A brief marine incursion marks the early Oligocene in Europe.
3. Necromantis adichaster: Discovered in the Quercy Phosphorites Formations of France; fossils found from the Eocene and Oligocene.
4. Agates in Nebraska formed in Pennsylvanian sediments and were transported from the Hartville uplift in Wyoming in the Oligocene
5. "L." elegans (Late Oligocene?/Early Miocene of St-Gérand-le-Puy, France) and "L." totanoides (Late Oligocene?/Early Miocene of SE France) are now in Laricola, while "L." dolnicensis (Early Miocene of Czech Republic) was actually a pratincole; it is now placed in Mioglareola.
6. The region is also the location of "Nullarbor limestone" and it has a reputation as a significant karst region with Oligocene and Miocene cave formations.
7. Cursoriality evolved in the Artiodactyla, Perissodactyla and Carnivora coincident with global cooling and the replacement of forests with open landscapes in the Oligocene and Miocene
8. During the next major phase of activity, 30 enormous Oligocene-Miocene sarsen stones (shown grey on the plan) were brought to the site.
9. Otodus Angustidens is a species of prehistoric megatoothed sharks in the genus Otodus, which lived during the Oligocene and Miocene epochs about 33 to 22 million years ago
10. Also known as Pseudocreodi or "archaic carnivores," Creodonts are a group of extinct carnivorous mammals that thrived during the Eocene and Oligocene in North Fig
11. This is "Sula" ronzoni from Early Oligocene rocks at Ronzon, France, which was initially believed to be a sea-duck and possibly is an ancestral Pelecaniform.
12. The family Castoridae appeared almost simultaneously in North America with the genus Agnotocastor and is reported in the Oligocene of Asia with the genus Propalaeocastor (Stirton, 1935; Hugueney, 1975).
13. Brontothere, member of an extinct genus (Brontotherium) of large, hoofed, herbivorous mammals found as fossils in North American deposits of the Oligocene Epoch (36.6 to 23.7 million years ago).
14. Fossil evidence of pelicans dates back at least 30 million years to the remains of a beak very similar to that of modern species recovered from Oligocene strata in France.
15. The uplifting, right-lateral strike-slip shearing, tilting and southward shearing of the Altai Mountains in Xinjiang have affected, since Oligocene, the drainage systems evolution and development.
16. In the Ancodont family Caeno-theriidae, which became extinct early in the Miocene, numerous late Oligocene specimens with foramen ovale are known (basal view figures of 6 specimens in Hiirzeler, 1936)
17. Prothero, From Greenhouse to Icehouse: The Marine Eocene-Oligocene Transition: Accessory benthic foraminiferal events reported by Berggren and Miller (1989) to occur in the late Eocene are the migrations into the Bathyal
18. MacPhee and Iturralde provide an alternate hypothesis that the initiators of land mammal clades arrived on the Proto-Antilles by the mid-Tertiary period, approximately at the Eocene–Oligocene boundary.
19. The late Oligocene-Miocene redbed unit resulted from continued terrestrial progradation and is characterised by alluvial deposits formed by small, southwards-flowing streams of high sinuosity, ultimately succeeded by carbonate and evaporitic deposits marking the early Miocene marine transgression.
20. Most experts agree that babirusas are part of the pig family, and are one of the oldest living members of the family, representing a subfamily, Babyrousinae, that branched off from the warthog branch of the pig family (Subfamily Phacochoerini) during the Oligocene or early Miocene.
21. (2011) Merychyus calaminthus (Mammalia, Artiodactyla, Oreodontidae) of probable early late Arikareean (late Oligocene to late early Miocene) age from the lower part of the Chalk Canyon Formation, Maricopa and Yavapai counties, central Arizona, Journal of Vertebrate Paleontology 31 1, 215-226 doi:10.1080/02724634.2011.539645
22. Several poorly known Cardiids from the Lower-Middle Miocene of France and Austria and from the Upper Oligocene of Hungary show closer morphological affinities with the living Cardium indicum Lamarck, 1819, rather than with the genus Bucardium or with Cardium costatum Linnaeus, 1758, the type species of Cardium Linnaeus, 1758.
23. Basilosaurus, sometimes known by its scientific synonym Zeuglodon, is a genus of ancient cetaceans that lived during the late Eocene, they are thought to have died out 33 million years ago, this was during the time the Eocene epoch ended and the Oligocene started.These primitive marine mammals look nothing like …
24. Plural form of anthropoid Beginning with the earliest known lemur, Anaptomorphus, this genus shows tendencies towards the Anthropoids, and, when we pass up into the Oligocene of the Old World, Adapis is a decidedly mixed type, and probably not far from the common stem-form which gave origin to both suborders of the Primates.