United Kingdom and Ireland
Geological Time: Jurassic Upper Jurassic Kimmeridgian
Kimmeridge Clay Formation
the raw material was collected and the specimen was extracted and photographed by
Michael Hesemann
The identification is based upon:
, : Barnard, T.; Cordey, W. G.; Shipp, D. J. (1981). Foraminifera from the Oxford Clay (Callovian-Oxfordian of England). Revista Española de Micropaleontología. 13(3): 383-462. Plate , Fig.