Dentalina sp. 2

  found at  Spitsbergen, Norway, Arctic  during a historic german expedition in 1910    recent    Taxon Profile

View of one specimen of Dentalina sp.

SEM picture taken together with/by Dr. Rosenfeldt
head of the Mikrobiologische Vereinigung of the Naturwissenschaftlicher Verein in Hamburg

The classification is rather unsure, but based upon:
Natalia Vázquez Riveiros and
R. Timothy Patterson: AN ILLUSTRATED GUIDE TO FJORD FORAMINIFERA FROM THE SEYMOUR-BELIZE INLET COMPLEX, NORTHERN BRITISH COLUMBIA, CANADA in Palaeontologia electronica Volume 11 Issue 1 (2008)