Paradoxides gracilis (Boeck)
Complete outstretched specimen on matrix. the left librigene is missing. The right librigene has detached ,flipped over and come to rest next to the cephalon. Nice juvenile of this zonal index species.
Middle Cambrian, Drumian, Jince Formation, P.gracilis Zone.
Rejkovice, near Jince, Czech Republic.
Trilobite : 2.4 cm long.