Iberian Peninsula Portugal
Geological Time: Jurassic Middle Jurassic Callovian
sampled together with Brian Ottway, photographed by
The identification is based upon:
Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 33, Fig. 5,6