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en.wikipedia.org/wiki/Permian

The Permian is a geologic period and system which spans 46.7 million years from the end of ... Guadalupian epoch [272.3 ± 0.5 - 259.8 ± 0.4 Mya]. Capitanian  ...

palaeos.com/paleozoic/permian/guadalupian.html

The Guadalupian or middle Permian age saw new reptiles and plants replacing those of the early Permian. Climatic patterns were similiar to present-day Asia.

en.wiktionary.org/wiki/Guadalupian

This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page per etymology instructions. You can also discuss ...

www.britannica.com/science/Guadalupian-Series

...the American Association of Petroleum Geologists in 1939 established North American standard reference sections for the Permian consisting of four ...

www.merriam-webster.com/dictionary/Guadalupian

Define Guadalupian: of, relating to, or constituting a subdivision of the American Permian.

www.stratigraphy.org/bak/geowhen/stages/Middle_Permian.html

Middle Permian Epoch (Guadalupian) From 270.6 +/- 0.7 To 260.4 +/- 0.7 Ma Start Defined By: Conodont, lowest occurrence of Jinogondolella nanginkensis.

www.beg.utexas.edu/files/content/beg/research/pbSyn/writ_synth/Artesia.pdf

GUADALUPIAN (ARTESIA GROUP) AND OCHOAN SHELF SUCCESSION OF .... San Andres Guadalupian formations in the Permian Basin (including the Palo ...

paleobiol.geoscienceworld.org/content/41/2/266

The Guadalupian (middle Permian) extinction may have triggered substantial ecological restructuring in level-bottom communities, such as turnover in dominant ...

pubs.usgs.gov/pp/0058/report.pdf

The following pages add largely to our knowledge of Guadalupian life, ... Nevertheless, even the collections of the Guadalupian fauna here described fail to.

www.ncbi.nlm.nih.gov/pmc/articles/PMC4322924

Unique new fossil assemblages containing the large bivalve family Alatoconchidae are recorded from the Guadalupian (Middle Permian) shallow marine ...