Base of Floian
true
Graptolite FAD Tetragraptus approximatus
Episodes 27/4, p. 265 272, 2004
Diabasbrottet, Hunneberg, Sweden
in the lower Tøyen Shale, 2.1m above the top of the Cambrian
Stratotype Point Base of Floian
Ratified 2002
Stratotype Point Base of Floian
Location of Stratotype Point Base of Floian