History of Devonian

	Revision 4 . . October 11, 2001 3:37 pm by Don Kenney [Added Faunal stages]
	Revision 3 . . (edit) May 19, 2001 9:36 pm by (logged).37.81.xxx [typo]

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Added: 2a3,14

The Devonian is usually broken into Lower, Middle, and Upper subdivisions. The Faunal stages from youngest to oldest are: Famennian/Chautauquan?/Canadaway?/Conneaut?/Conneautan?/Conewango?/Conewangan? (Upper) Frasnian/Senecan?/Sonyea?/Sonyean?/West? Falls (Upper) Cazenovia/Cazenovian? (Middle) Givetian/Erian?/Senecan?/Tioughniogan?/Tioughnioga?/Taghanic?/Taghanican?/Genesee?/Geneseean? (Middle) Eifelian/Southwood? (Middle) Helderberg (Lower) Emsian/Sawkill?/Deer? Park (Lower) Pragian/Siegenian? (Lower) Lochkovian/Gedinnian? (Lower)