Some problematical arthropods from the Upper Ordovician Letná Formation of Bohemia

Abstrakt

The description of so far imperfectly known or new enigmatic arthropods from the Upper Ordovician of the Barrandian area, central Bohemia, are presented. The affinities are discussed and the genera Furca Frirsch, Zonozoe Barrande Nothozoe Barrande and Zooscutum n. gen. are revised.