Bed 17 of the Choptank Formation, Calvert Cliffs, Maryland, USA
in material provided by Yasemin Tulu, John Nance and S. Godfrey from
Calvert Marine Museum Serravallian, Middle Miocene Taxon Profile
View of one specimen of Cibicides floridanus (Cushman, 1918)
The image is made by David Clark, hobby paleontologist from Michigan
The classification is based upon: Snyder, S. W., V. J. Waters, and T. T. Moore 1988.
Benthic foraminifera and paleoecology of Miocene Pungo River Formation sediments
in Onslow Bay, North Carolina continental shelf. In Micropaleontology of Miocene Sediments in the Shallow Subsurface
of Onslow Bay, North Carolina Continental Shelf, ed. S.
W. Snyder. Cushman Foundation for Foraminiferal Research, Special Publication 25:43-96