125:
101:
155:
77:
36:
53:
150:
144:
105:
129:
81:
57:
40:
20:
This category has the following 5 subcategories, out of 5 total.
8:
126:Paleozoic arthropods of South America
102:Paleozoic arthropods of North America
7:
156:Prehistoric arthropods by continent
122:
98:
74:
50:
33:
22:
14:
78:Paleozoic arthropods of Europe
37:Paleozoic arthropods of Africa
1:
54:Paleozoic arthropods of Asia
172:
151:Paleozoic arthropods
163:
131:
124:
107:
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83:
76:
59:
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42:
35:
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12:
11:
5:
169:
167:
159:
158:
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96:
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3:
2:
168:
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127:
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17:Subcategories
16:
19:
106:(10 C, 2 P)
145:Categories
82:(9 C, 3 P)
130:(2 C)
58:(6 C)
41:(2 C)
147::
128:
104:
80:
56:
39:
115:S
91:N
67:E
26:A
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