The Ostracoda from 10 localities in the Waccamaw Formation
are represented by 51 species. Eight species in the present collection are restricted to the Waccamaw deposits. Most of the rest of the species also occur in the closely associated upper Miocene Duplin Marl and upper part of the Yorktown Formation. An ostracode zone, typified by Aurila conradi (Howe and McGuirt) and Sfutilus confragosa (Edwards) includes these three stratigraphic units and extends to the Recent.
On the basis of its ostracode and associated molluscan and foraminiferal faunas the Waccamaw Formation of North and South Carolina appears to be of transitional late Miocene to early Pliocene age. Includes 7 plates. By Frederick M. Swain, 1968. 37 pages.
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