Sphaeroidinella dehiscens (Parker and Jones, 1865)       

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

found in a core of DSDP Leg 47 Site 398   off Biscaya and Iberia   Portugal   Site 398

Geological Time: Quaternary  Pleistocene  


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

View of a specimen of Sphaeroidinella dehiscens (Parker and Jones, 1865)

size about 670µm

The identification is based upon:
Iaccarino, S.; Salvatorini, G., 1979: Planktonic foraminiferal biostratigraphy of the Neogene and Quaternary sediments from Site 398, DSDP, Leg 47B. in Ryan, W.B.F., Sibuet, J.-C., et al., Init. Repts. DSDP, 47 Part 2 of the cruises of the drilling vessel Glomar Challenger, Vigo, Spain to Brest, France; April-May 1976. Plate 9, Fig. 10