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List of prehistoric brittle stars; List of prehistoric bryozoan genera; List of prehistoric chitons; List of prehistoric foraminifera genera; List of ichthyosaur genera; List of marine gastropod genera in the fossil record; List of plesiosaur genera; List of prehistoric malacostracans; List of prehistoric medusozoan genera; List of prehistoric ...
Pages in category "Prehistoric mammals of North America" The following 142 pages are in this category, out of 142 total. This list may not reflect recent changes .
Prehistoric animals of Prehistoric North America This category is for Animals of North America that are only known from fossils. For recently extinct species, see Extinct animals of North America .
Map of North America. This is a list of North American animals extinct in the Holocene that covers extinctions from the Holocene epoch, a geologic epoch that began about 11,650 years before present (about 9700 BCE) [A] and continues to the present day. [1] Recently extinct animals in the West Indies and Hawaii are in their own respective lists.
The most complete theropod known from the eastern side of North America: Aquilarhinus: 2019 Aguja Formation (Late Cretaceous, Campanian) United States ( Texas) May have been a semiaquatic, coastal species that used its unusual, shovel-shaped bill to scoop up vegetation in wet sediment [12] Aquilops: 2014 Cloverly Formation (Early Cretaceous ...
This is an incomplete list of prehistoric mammals. It does not include extant mammals or recently extinct mammals . For extinct primate species, see: list of fossil primates .
The largest prehistoric horse was Equus giganteus of North America. It was estimated to grow to more than 1,250 kg (1.38 short tons) and 2 m (6 ft 7 in) at the shoulders. [ 136 ] The largest anchitherine equid was Hypohippus at 403 to 600 kg (888 to 1,323 lb), comparable to large modern domestic horses .
This is a list of North American mammals. It includes all mammals currently found in the United States, St. Pierre and Miquelon, Canada, Greenland, Bermuda, Mexico, Central America, and the Caribbean region, whether resident or as migrants. This article does not include species found only in captivity.