United Kingdom and Ireland UK
Geological Time: Jurassic Upper Jurassic Kimmeridgian
Kimmeridge Clay Formation
The raw material was collected by Dr. Steve Etches and sent to us by Chris Webb. Specimens were picked and photographed by
The identification is based upon:
, : Reuss AE. (1854). Beiträge zur charakteristik der Kreideschichten in den Ostalpen besonders im Gosauthale und am Wolfgangsee. Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien. Mathematisch-naturwissenschafliche Classe. 7:1-158. Plate , Fig.