Stratotype Point Base of Tithonian

http://resource.geosciml.org/classifier/ics/ischart/BaseTithonianSP

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
StratigraphicPoint original
Resource original
see also index.html original