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This category has the following 3 subcategories, out of 3 total.
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18:Category:Paleozoic genus extinctions
22:Category:Cenozoic genus extinctions
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122:Phanerozoic genus extinctions
49:Cretaceous genus extinctions
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97:Triassic genus extinctions
73:Jurassic genus extinctions
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16:See also the preceding
127:Mesozoic extinctions
20:and the succeeding
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132:Mesozoic genera
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116:Categories
77:(3 C, 1 P)
53:(2 C, 7 P)
101:(3 C)
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86:T
62:J
38:C
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