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Leonardian

Leonardian A series in the Lower Permian of N. America, underlain by the Wolfcampian, overlain by the Guadalupian, and roughly contemporaneous with the Artinskian and Kungurian Stages. In some areas it is zoned by the use of fusilined foraminiferids. It is the N. American equivalent of the Rotliegende. Redbed localities of Wolfcampian—Leonardian age in Texas and Colorado have yielded many vertebrate fossils.

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"Leonardian." A Dictionary of Earth Sciences. . Encyclopedia.com. 17 Aug. 2017 <http://www.encyclopedia.com>.

"Leonardian." A Dictionary of Earth Sciences. . Encyclopedia.com. (August 17, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/leonardian

"Leonardian." A Dictionary of Earth Sciences. . Retrieved August 17, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/leonardian

Leonardian

Leonardian The second of the four stages of the Permian in N. America. In some areas it is zoned by the use of fusulinid Foraminiferida. It is the N. American equivalent of the Rotliegende. Red-bed localities of Wolfcampian–Leonardian age in Texas and Colorado have yielded many vertebrate fossils.

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"Leonardian." A Dictionary of Zoology. . Encyclopedia.com. 17 Aug. 2017 <http://www.encyclopedia.com>.

"Leonardian." A Dictionary of Zoology. . Encyclopedia.com. (August 17, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/leonardian-1

"Leonardian." A Dictionary of Zoology. . Retrieved August 17, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/leonardian-1

Leonardian

Leonardian The second of the four stages of the Permian in N. America. In some areas it is zoned by the use of fusulinid foraminiferids. It is the N. American equivalent of the Rotliegende.

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"Leonardian." A Dictionary of Plant Sciences. . Encyclopedia.com. 17 Aug. 2017 <http://www.encyclopedia.com>.

"Leonardian." A Dictionary of Plant Sciences. . Encyclopedia.com. (August 17, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/leonardian-0

"Leonardian." A Dictionary of Plant Sciences. . Retrieved August 17, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/leonardian-0