United Kingdom and Ireland UK
Geological Time: Jurassic Upper Jurassic Kimmeridgian
Kimmeridge Clay Formation
the image is published in the source mentioned below
View of a specimen of Haplophragmium subaequale (Myatlyuk, 1939)
The identification is based upon:
, : Lloyd, A.J. (1959) Arenaceous Foraminifera from the Type Kimmeridgian (Upper Jurassic). Paleontology, 1(4), 298–320. Plate , Fig.