roadcut at Quatro Estradas
Iberian Peninsula Portugal
Geological Time: Cretaceous Lower Cretaceous Aptian
the specimen was picked and photographed by Michael Hesemann
with assistance of Dr. Georg Rosenfeldt, the raw material is provided by
lateral and apertural view
The identification is based upon:
Arnaud-Vanneau, A., 1980: Micropaléontologie, paléoécologie et sédimentologie d'une plate-forme carbonatée de la marge passive de la Téthys : l'Urgonien du Vercors septentrional et de la Chartreuse (Alpes occidentales) Géologie Alpine, mém. 10, 3 vols 874 pages Plate 8, Fig. 15,16
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