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The trace fossils Alcyonidiopsis isp., Chondrites isp. (small and large), Palaeophycus isp., Planolites isp., Taenidium isp., Thalassinoides isp., Zoophycos isp., and unnamed small spreite burrow structures have been found in the Cenomanian–Turonian sediments in the Rybie section. They show significant stratigraphic variations in respect to the Bonarelli Level. In the Cenomanian, from the base of...
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