Stratotype Point Base of Bashkirian
http://resource.geosciml.org/classifier/ics/ischart/BasePennsylvanianSP
| label | Stratotype Point Base of Pennsylvanian | |||||||
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| ratified GSSP |  |
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| boundary level | 82.9m above the top of the Battleship Formation in the lower Bird Spring Formation | |||||||
| comment | Arrow Canyon, Nevada | |||||||
| correlation event | Conodont FAD Declinognathodus noduliferus | |||||||
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| source | Episodes 22/4, p. 272 283, 1999 | |||||||
| status | Ratified 1996 | |||||||
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| has geometry | Location of Stratotype Point Base of Pennsylvanian original | |||||||
| represents boundary |
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