Spiroplectinella sp. 2    more

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

View of the same broken specimen of Spiroplectinella sp. as #1

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

The classification is based upon: H. J. Bötefür: Die benthischen Foraminiferen aus dem Oligozän von Malliß (Wanzeberg, Norddeutschland), Palaeontos 16, 2008
the old name has been Spiroplectammina