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Cibicides sp.

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found in Brunswick County, North Carolina, USA
in material provided by Eric M Sadorf, North Carolina Fossil Club

Island Creek Member, Peedee Formation, Maastrichtian, Cretaceous

Spiral view of a specimen of Cibicides sp.

SEM picture taken together with Dr. Rosenfeldt
head of the Mikrobiologische Vereinigung Hamburg

The classification is based upon: Hofker, Jan, 1957: Foraminiferen der Oberkreide von Nordwestdeutschland und Holland, Beihefte zum Geologischen Jahrbuch, Beiheft 27 Page 91.

This specimen is classified as Cibicides rather than Gavelinella or Gavelinopsis. Hofker describes Gavelinella as having no or only a few pores on the dorsal side. A central deepening is not developed and the ventral side is flat, as commonly with Cibidices.
           cibicides sp., Brunswick County, North Carolina, USA