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Paleoecology--Ordovician

LC control no.sh 95010914
Topical headingPaleoecology--Ordovician
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Variant(s)Ordovician Period
See alsoPaleoecology--Paleozoic
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Found inWork cat.: Bretsky, P.W. Upper Ordovician ecology of the central Appalachians, 1970.
Westrop, S.R. Systematics and paleoecology of Upper Ordovician trilobites ... 1983.