Dentoglobigerina altispira (Cushman and Jarvis, 1936)       

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

found in a core of ODP Leg 130   Micronesia + Philippine Basin   Micronesia (FSM)   Site 806

Geological Time: Neogene  Miocene  Messinian


the images are published under public domain in the below cited scientific report of the IODP, ODP and DSDP


exact size see reference, about 500?m +/- 250?m

The identification is based upon:
Chaisson, W.P., and Leckie, R.M., 1993: High-resolution Neogene planktonic foraminifer biostratigraphy of Site 806, Ontong Java Plateau (western equatorial Pacific). in Berger, W.H., Kroenke, L.W., Mayer, L.A., et al., Proc. ODP, Sci. Results, 130: College Station, TX (Ocean Drilling Program), 137−178. Plate 9, Fig. 8