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  Late Paleozoic Group
Age (Ma) CGTS 2008
GSSP Location
Latitude, Longitude
Boundary Level
Correlation Events
Permian System
Lopingian Series
Changhsingian Stage PTB=252.17± 0.06/WCB=254.14 ± 0.07Ma Meishan D, Zhejiang Province, China 31.0819°N/119.7064°E base of Bed 4a-2, 88 cm above the base of the Changxing Limestone at the Meishan D Section FAD of Clarkina wangi Ratified 2005 Episodes 29/3, p. 175-182, 2006
Wuchiapingian Stage 259.0 ± 0.4 Penglaitan, Guangxi Province, South China 23.6953°N 109.3211°E base of Bed 6k in the Penglaitan Section FAD of Clarkina postbitteri postbitteri Ratified 2004 Episodes 29/4, p. 253-262, 2006
Guadalupian Series
Capitanian Stage 265.1 ± 0.4 Nipple Hill, SE Guadalupe Mountains, Texas, U.S.A 31.9091°N 104.7892°W 4.5m above the base of the outcrop section of the Pinery Limestone Member of the Bell Canyon Formation FAD of Jinogondolella postserrata Ratified 2001 Glenister et al., 1999, Permophiles
Wordian Stage 268.8± 0.5 Guadalupe Pass, Texas, U.S.A 31.8658°N 104.8328°W 7.6m above the base of the Getaway Ledge outcrop Section of the Getaway Limestone Member of the Cherry Canyon Formation FAD of Jinogondolella aserrata Ratified 2001 Glenister et al., 1999, Permophiles
Roadian Stage 272.3 ± 0.5 Stratotype Canyon, Texas, U.S.A 31.8767°N 104.8768°W 42.7m above the base of the Cutoff Formation Conodont FAD Jinogondolella nankingensis Ratified 2001 Glenister et al.1999, Permophiles
Cisuralian Series
Kungurian Stage 283.5 ± 0.1 candidates are in southern Ural Mtns or Rockland, Nevada, USA. Conodont FAD Neostreptognathodus pnevi Anticipated 2013
Artinskian Stage 290.1 ± 0.26 candidate is at Dalny Tulkas in southern Ural Mts. 53.8886°N, 56.5161°E Conodont FAD Sweetognathus whitei Anticipated 2013
Sakmarian Stage 295.0± 0.18 candidate is at Usolka, Orenburg Province, Russia. 53.9247°N, 53.9247°E Conodont FAD Meosogondolella uralensis Anticipated 2013
Asselian Stage 298.7 ± 0.15 Aidaralash Creek, Kazakhstan--- 50.2458°N 57.8914°E 27m above the base of Bed 19, Aidaralash Creek Conodont FAD of isolated-nodular morphotype of Streptognathodus Ratified 1996 Episodes 21/1, p. 11-18, 1998
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