Sphaeroidinellopsis seminula (Schwager, 1866)
 
Class: Rotaliata  Subclass: Globigerinana  Order: Globorotaliida  Family: Globigerinidae
 
found in a core of  DSDP Leg 47 Site 398
Site 398
   off Biscaya and Iberia   Portugal
 
Geological Time: Neogene  Miocene  Tortonian

the images are published under public domain in the below cited scientific report of the
 
 
View of a specimen of Sphaeroidinellopsis seminula (Schwager, 1866)

size about 410 and 330µm
 
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. 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. 6,7
 
 
genus.php?no=1008838&aktion=suche
 
dataset number: FEU-1008838
 
 
Citation:
Iaccarino, S.; Salvatorini, G., 1979: Planktonic foraminiferal biostratigraphy of the Neogene and Quaternary sediments from Site 398, DSDP, Leg 47B. 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 6,7