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The following are lists of prehistoric animals: By type. Land and avian animals. List of prehistoric amphibian genera; List of prehistoric mammals;
Entelodontidae is an extinct family of pig-like artiodactyls (even-toed ungulates) which inhabited the Northern Hemisphere (Asia, Europe, and North America) from the late Eocene [1] to the early Miocene epochs, about 38-19 million years ago.
The waterhole could have been where the bones of the Hagerman horses accumulated as injured, old, and ill animals, drawn to water, died there. [4] A study by H. Gregory McDonald in 1996 alternatively suggested based on the age distribution of remains at the quarry, which span from newborns to adults, that a herd died in a single catastrophic ...
Together, the fossil pieces tell the story of a creature that defied all expectations based on the evolutionary paths of better-known animals from the time, which mostly lived closer to the equator.
A fossil reveals how a now-extinct species of dugong was swimming in the sea about 15 million years ago when it was preyed upon by a crocodile and a tiger shark.
A species that is extinct in the wild is one which has been categorized by the International Union for Conservation of Nature (IUCN) as only known by living members kept in captivity or as a naturalized population outside its historic range due to massive habitat loss. A species is declared extinct in the wild after thorough surveys have ...
Extirpated from the wild in the early 1970s and reintroduced in 1998. [30] Texas red wolf: Canis rufus rufus: Central Texas to southern Louisiana Extinct in the wild by 1980 and introduced (in lieu of the extinct subspecies) to eastern North Carolina in 1987. The species is threatened by human persecution and hybridization with coyotes. [31]
Remains attributed to the species display a considerable range of morphological variability. [9] The species had a small body size, with adult individuals estimated to have a body mass of around 300–365 kilograms (661–805 lb), [3] with the mummy of an 8 year old adult male horse (the Selerikan mummy) having a height of 1.35 metres (4 ft 5 in) at the withers.