off California and Mexico Mexico
Site 467
Geological Time: Neogene Pliocene
the images are published under public domain in the below cited scientific report of the
View of a specimen of Globigerina umbilicata Orr and Zaitzeff, 1971
bar = 100µm
The identification is based upon:
Poore, R.Z., 1981: Miocene through Quaternary planktonic foraminifers from offshore southern California and Baja California. Orlofsky, S. et al., Initial Reports of the Deep Sea Drilling Project 63 Publisher: Texas A & M University, Ocean Drilling Program, College Station, TX, United States P. 415–436 Plate 4, Fig. 7+8