Globigerina umbilicata Orr and Zaitzeff, 1971       

Class: Rotaliata  Subclass: Globigerinana  Order: Globigerinida  Family: Globigerinidae

found in a core of DSDP Leg 63   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 IODP, ODP and DSDP


bar = 100µm

The identification is based upon:
Poore, R.Z., 1981: Miocene through Quaternary planktonic foraminifers from offshore southern California and Baja California. in 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