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
side view perpendicular to the apertural view
The identification is based upon:
, : Tappan, H. (1955). Foraminifera from the Arctic Slope of Alaska. Part 2, Jurassic Foraminifera. United States Geological Survey Professional Papers. 236-B: 1-124. Plate 26, Fig.