pseudomutabilis zone sensu Lloyd
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 Ammobaculites sp. ---
sp. 1
sensu Lloyd Ammobaculites braunsteini.
The identification is based upon:
, : Lloyd, A.J. (1959) Arenaceous Foraminifera from the Type Kimmeridgian (Upper Jurassic). Paleontology, 1(4), 298–320. Plate 54, Fig. 20,21