baylei zone
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 Lagenammina difflugiformis (Brady, 1879)
Variant B and C, length 0,38 and 0,43 mm
The identification is based upon:
, : Lloyd, A.J. (1959) Arenaceous Foraminifera from the Type Kimmeridgian (Upper Jurassic). Paleontology, 1(4), 298–320. Plate , Fig.