found in the North Atlantic
Geological Time: Quaternary Holocene recent
the image is published in the below cited paper (dissertation) of Dr.
View of a specimen of Globorotalia inflata (d'Orbigny, 1839)
apertural view
The identification is based upon:
Metcalfe, B., 2013: Planktonic Foraminifera: From production to preservation of the oceanographic signal. Dissertation at the Vrije Universiteit Amsterdam.
http://hdl.handle.net/1871/49318 Plate 5-3, Fig. 1