History of Jurassic

	Revision 3 . . October 19, 2001 7:39 am by Don Kenney [Added Faunal Stages]
	Revision 2 . . (edit) September 26, 2001 10:35 pm by Pinkunicorn

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Difference (from prior major revision) (no other diffs)

Added: 2a3,16

The Jurassic is usually broken into Lower, Middle, and Upper subdivisions. The Faunal stages from youngest to oldest are: Tithonian/Volgian?/Portlandian? (Malm/Morrison?/Upper? Jurassic) Kimmeridge (Malm/Morrison?/Upper? Jurassic) Oxfordian (Malm/Morrison?/Upper? Jurassic) Callovian/Druess? (Dogger/Middle? Jurassic) Batonian (Dogger/Middle? Jurassic) Bajocian (Dogger/Middle? Jurassic) Aalenian (Dogger/Middle? Jurassic) Toarcian (Lias/Lower? Jurassic) Pliensbachian (Lias/Lower? Jurassic) Sinemurian (Lias/Lower? Jurassic) Hettangian (Lias/Lower? Jurassic)