Clarendonian — The Clarendonian North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 13,600,000 to 10,300,000 years BP, a period of 3.3 million… … Wikipedia
Barstovian stage — ▪ geology uppermost major division of the Miocene epoch (23.7 million to 5.3 million years ago) in North America. The Barstovian stage follows the Hemingfordian stage and precedes the Clarendonian stage of the Pliocene epoch. It was named… … Universalium
Cynarctina — Temporal range: Early Miocene–Middle Miocene … Wikipedia
Okeechobean Sea — Table displaying the Okeechobean Sea and its relation to geologic time and North American Land Mammal Ages. Dry periods or marine regressive periods are tan in color. The Okeechobean Sea was a Cenozoic eutropical subsea, which along with the… … Wikipedia
Mancallinae — Mancallines Temporal range: Miocene Pleistocene, 7.4–.47 Ma … Wikipedia
Choctaw Sea — Table displaying the Choctaw Sea and its relation to geologic time and North American Land Mammal Ages. Dry periods or marine regressive periods are tan in color. The Choctaw Sea was a Cenozoic eutropical subsea, which along with the Okeechobean… … Wikipedia
Miocene — System Series Stage Age (Ma) Quaternary Pleistocene Gelasian younger Neogene Pliocene … Wikipedia