none
Geological Time:
holotype
View of a specimen of Cornuspirella diffusa (Heron-Allen & Earland, 1913)
The identification is based upon:
, : Heron-Allen, E.; Earland, A. (1913). X.-On some Foraminifera from the North Sea, etc., dredged by the Fisheries Cruiser 'Goldseeker‘ (International North Sea Investigations - Scotland). III On Cornuspira diffusa, a new type from the North Sea. Journal of the Royal Microscopical Society. 33(3): 272-276. Plate , Fig.