Stratotype Point Base of Tithonian
http://resource.geosciml.org/classifier/ics/ischart/BaseTithonianSP
| label | Stratotype Point Base of Tithonian | |||||||
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| ratified GSSP |  |
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| comment | candidates are Mt. Crussol or Canjuers (SE France) and Fornazzo (Sicily, S. Italy) | |||||||
| correlation event | Near Base of Hybonoticeras hybonotum ammonite zone and lowest occurrence of Gravesia genus, and the Base of magnetic polarity Chron M22An | |||||||
| type |
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| represents boundary |
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| see also | index.html original | |||||||