Geocollections

Silurian

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Stratigraphy	Index	Index add'l	Type	Rank	Scope	Belongs to	Age (Ma)		Age
Stratigraphy	Index	Index add'l	Type	Rank	Scope	Belongs to	Base	Top	Age
lower Silurian			chronostratigraphy	Series	regional	Baltic Silurian	443.7	422.7	Silurian
Llandovery	S₁	S₁	chronostratigraphy	Series	global	Silurian	443.8	433.4	Silurian
Wenlock	S₂	S₂	chronostratigraphy	Series	global	Silurian	433.4	427.4	Silurian
upper Silurian			chronostratigraphy	Series	regional	Baltic Silurian	422.7	416.0	Silurian
Ludlow	S₃	S₃	chronostratigraphy	Series	global	Silurian	427.4	423.0	Silurian
Přidoli	S₄	S₄	chronostratigraphy	Series	global	Silurian	423.0	419.2	Silurian
Baltic Silurian			chronostratigraphy	System	regional	Baltic chronostratigraphy	443.7	416.0	Silurian

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