This plate shows two trilobites of the species Conocoryphe cirina from the Middle Cambrian of the Czech Republic.

This trilobite is a rare and beautiful specimen of Erbenochile erbeni. 

Here is a inexpensive bolivian Trilobite of the spcies Eldredgeia venustus from the Devonian  Sicasica Formation.
 

Here is a beautiful and realtive rare ammonite of the species Garniericeras catenulatum from the Volga Stage of the Yaroslavl region.
 

Here is a beautiful ammonite of the species Craspedites subditus from the Volga Stage of the Yaroslavl region.

Here is a good specimen of a trilobite of the species Deanaspis goldfussi from the Czech Republic.
 

This is the pygidium of Paralejurus brongniarti from the Lower Devonian of Bohemia (Czech Republic). .

This is a pygidium of the rare trilobite Scharyia wenlockiana from Lodenice.

This is a detailed and inexpensive specimen of a Czech trilobite of the species Deanaspis goldfussiausi. 

Here is a inexpensive specimen rare Czech Trilobite of the species Germaropyge germari from the Skryje Týrovice site.

Here is a relative rare Raphiophorus roualti from Motol Formation of the Kosov.