Late Ludlovian Chitinozoa from the locality “Na Požárech” (Silurian, Prague Basin, Barrandian area, Czech Republic)

Ludlow (Silurian) Chitinozoa are described from the lower part of GSSP “Na Požárech” (Prague Basin, Barrandian area, Czech Republic). Two chitinozoan biozones — Angochitina elongata and Eisenackitina barrandei are established.