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Cribrononion sp.

found in Bed 4-9 of the Calvert Formation,  Calvert Cliffs, Maryland, USA  
in material provided by Yasemin Tulu, John Nance and S. Godfrey from
Calvert Marine Museum    lower Miocene    Taxon Profile

Cribrononion sp., Calvert Cliffs, Maryland, USA

Spiral and apertural view of one specimen of Cribrononion sp.

The classification is based upon: C. W. Poag: Paynes Hammock (Lower Miocene?) foraminifera of Alabama and Mississippi in Micropaleontology, Oct 1966, Plate 7 Fig. 9/10