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Which of the following is a good index fossil for recognizing the Ordovician Period? A. trilobite B. brachiopod C. graptolite D. stromatolite
Brachiopod is a good index fossil for recognizing the Ordovician Period.
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Butterflybaby|Points 1128|
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Asked 7/23/2016 4:39:46 PM
Updated 7/23/2016 5:19:26 PM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [7/23/2016 5:19:24 PM], Confirmed by jeifunk [7/23/2016 5:19:26 PM]
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