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This list of the prehistoric life of Arizona contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Arizona.
Arizona was covered by a shallow sea during the Precambrian. Stromatolites formed there. [1] During the Proterozoic interval of Precambrian time, jellyfish lived in Arizona. Their fossils were preserved in what is now the Grand Canyon. [2] Arizona was still covered by a shallow sea during the ensuing Cambrian period of the Paleozoic era.
Jeanne Calment, a French woman, lived to the age of 122 years, 164 days, making her the oldest fully documented human who has ever lived. She died on August 4, 1997. [106] Jiroemon Kimura (†116 years, 54 days), a Japanese man, died on 12 June 2013. He holds the record for the oldest ever male human.
Baiomys Bassariscus † Bensonomys † Bensonomys arizonae † Bensonomys elachys – or unidentified comparable form † Bensonomys gidleyi † Bensonomys yazhi Bison † Boreohippidion † Boreohippidion galushai Restoration of two of the Miocene-Pliocene bone-crushing dog genus Borophagus preying on a camel. Jay Matternes (1964). † Borophagus † Borophagus diversidens † Borophagus ...
Perucetus colossus, a giant whale that lived almost 40 million years ago is now thought to be the heaviest animal that has ever lived, scientists said Wednesday.
In 1952, Ed Lehner discovered extinct mammoth bone fragments on his ranch, at the locality now known as the Lehner Mammoth-Kill Site. He notified the Arizona State Museum, and a summer of heavy rains in 1955 exposed more bones. Excavations, led by William W. Wasley and Emil Haury, took place in 1955–56, and again in 1974–75.
The discovery of a newly identified species — the oldest saber-toothed animal found and an ancient cousin to mammals — fills a longstanding gap in the fossil record.
A firearm discovered in Arizona is what researchers believe to be the "oldest" ever found in the continental United States.. Excavations along the Santa Cruz River in Southern Arizona brought to ...