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Its fossils have been found across North America, from Canada to Mexico. [6] [7] It was about 25% larger than the modern lion, making it one of the largest known felids to ever exist, and an important apex predator. [8] The American lion became extinct as part of the end-Pleistocene extinction event along with most other large animals across ...
Miracinonyx (colloquially known as the "American cheetah") is an extinct genus of felids belonging to the subfamily Felinae that was endemic to North America from the Pleistocene epoch (about 2.5 million to 16,000 years ago) and morphologically similar to the modern cheetah (Acinonyx jubatus), although its apparent similar ecological niches have been considered questionable due to anatomical ...
† American lion [25] [26] [27] † Panthera atrox: At least 80 individuals A large pantherine, the American lion is a possible descendent of Eurasian cave lions that had become isolated in North America. [26] This big cat is found much more rarely than the contemporary Smilodon. Within the species itself, more fossil specimens are thought to ...
The site is known for its many fossil quarries (referred to as "pits") where animals, plants and insects have gotten stuck and preserved in asphalt over the last 50,000 years.
A fossil preparator handles fossils found in Petrified Forest National Park at the museum's demonstration lab. ... preserved three-toed dinosaur footprints that are around 200 million years old ...
A lot of that early research can be found on the pages of The Cretaceous Fossils of New Jersey, first printed in 1958, and reprinted in 1991. Dinosaurs, reptiles, microbes and more: Check out NJ's ...
The North American river otter is a medium-sized, semiaquatic carnivore endemic to eastern North America. The oldest fossils of American river otters come from Port Kennedy and Cumberland Cave. [11] [1] Cope considered the Port Kennedy specimen distinct, dubbing it L. rhoadsii, but it has been lumped with L. canadensis. [12] [1] †Canis ...
Fossils may be found either associated with a geological formation or at a single geographic site. Geological formations consist of rock that was deposited during a specific period of time. They usually extend for large areas, and sometimes there are different important sites in which the same formation is exposed.