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This category has the following 6 subcategories, out of 6 total.
8:
149:Paleozoic South America by modern country
7:
22:
14:
144:Geologic formations of Argentina
1:
170:
46:Carboniferous Argentina
154:Geology of Argentina
99:Ordovician Argentina
119:Silurian Argentina
79:Cambrian Argentina
33:Devonian Argentina
59:Permian Argentina
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17:Subcategories
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138:Categories
103:(27 P)
123:(5 P)
83:(4 P)
63:(5 P)
50:(6 P)
37:(5 P)
26:0–9
140::
121:
101:
81:
61:
48:
35:
112:S
92:O
72:C
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