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The Bashkirian is in the International Commission on Stratigraphy geologic timescale the lowest stage or oldest age of the Pennsylvanian. The Bashkirian age lasted from 323.4 to 315.2 Ma, is preceded by the Serpukhovian and is followed by the Moscovian.
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stage lower age carboniferous declinognathodus ics moscovian stratigraphy 315 regional years ago conodont name pennsylvanian ma serpukhovian fossils scale overlaps
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Bashkirian | Celestial body | Earth | 1.00 | infobox |
| Bashkirian | Chronological unit | Age | 1.00 | infobox |
| Bashkirian | Lower boundary definition | FAD of the Conodont Declinognathodus nodiliferus | 1.00 | infobox |
| Bashkirian | Lower boundary GSSP | Arrow Canyon, Nevada, USA .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output… | 1.00 | infobox |
| Bashkirian | Lower GSSP ratified | 1996 | 1.00 | infobox |
| Bashkirian | Name formality | Formal | 1.00 | infobox |
| Bashkirian | Regional usage | Global (ICS) | 1.00 | infobox |
| Bashkirian | Stratigraphic unit | Stage | 1.00 | infobox |
| Bashkirian | Time scale(s) used | ICS Time Scale | 1.00 | infobox |
| Bashkirian | Time span formality | Formal | 1.00 | infobox |
| Bashkirian | Upper boundary definition | Not formally defined | 1.00 | infobox |
| Bashkirian | Upper boundary definition candidates | FAD of the Conodont Idiognathoides postsulcatus or Declinognathodus donetzianus | 1.00 | infobox |
| Bashkirian | Upper boundary GSSP candidate section(s) | Southern Ural Mountains | 1.00 | infobox |
| Bashkirian | Upper boundary GSSP candidate section(s) | Nashui, Luodian County, Guizhou, China | 1.00 | infobox |
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