found in rocks from the gravel-pit at Kücknitz,
Luebeck
Kuecknitz, Gravel Pit
North European Plain Germany
Geological Time: Paleogene Eocene
Heiligenhafener Kieselgestein
the specimen was picked and photographed by Michael Hesemann
with assistance of Dr. Georg Rosenfeldt, the raw material is provided by
The identification is based upon:
Kiesel, Yvonne, 1962: