This is an almost completely rolled up Oklahoma trilobite of the species Kainops raymondi on matrix.

Here is a fossil sea urchin of the species Hemicidaris intermedia from the Swiss Jura.

Here is a fantastic specimen of a Calymene clavicula from the Silurian of California.
 

This is a distinct Oklahoma trilobite of the species Kainops raymondi. The trilobite presents itself half-rolled on its shapely matrix.
 

Here is a inexpensive but deteiled Trilobite of the species Ogygiocarella debuchii from Shropshire.

This piece from Lodenice shows a trilobite cluster with 5 trilobites of the species Aulacopleura konincki.

Here is an inexpensive example of a rare trilobite of the species Kettneraspis roemeri from Lodenice in the Czech Republic.

This is an interesting trilobite double of the genus Conocoryphe from the Cambrian of the Czech Republic in excellent and detailed preservation.

 This is a very decorative trilobite cluster of the species Ellipsocephalus hoffi from the classical locality of Jince. 

Here is an inexpensive and very detailed specimen of a eurypterid of the species Balteurypterus tetragonophtalmus from the Silurian of Ukraine.

Here is a classic Triarthrus eatoni from the Utica Shale of New York.
The trilobite itself is about 19 mm long.
 

Here is a agnostid Trilobite of the species Ptychagnostus atavus from the Wheeler shale Formation of Utah.
 

Here is a inexpensive and plastic plastic preserved specimen of a Eurypterid of the species Balteurypterus tetragonophtalmus from the Silurian of Ukraine.

This decorative plate shows two fossils Crinoids of the species Scyphocrinites elegans from Morocco.

Here is a huge Portugal trilobite of the species Nobiliasaphus nobilis from Valango.
This trilobite is over 25 cm long, which is far from common even in Portugal.
 

This is a large and inexpensive fossil Crinoid of the species Encrinus liliiformis from the shell limestone of Alverdissen.

Here is a Bundenbach trilobite of the genus Chotecops in a lateral embedding.

This is a detailed trilobite of the species Greenops widderensis from Devonian of Canada.
The Greenops widderensis itself measures about 34 mm in length.

Here is an inexpensive example of a quite rare trilobite of the species Odontopleura prevosti from the Silurian of the Czech Republic. 

Here is a beautiful Czech trilobite double of the species Litavkaspis rejkovicensis.

This is a particularly detailed trilobite from the Czech Republic of the species Aulacopleura konincki.
This Aulacopleura konincki shows an unusual level of detail, even the single lenses in the trilobite eyes are preserved. 

This is a nice New York trilobite of the species Dalmanites limulurus from the Rochester Shale.
 

This is an outstanding trilobite of the species Kettneraspis roemeri from the Czech Silurian.
This Kettneraspis roemeri offers a rare detailed and plastic preservation. The trilobite itself measures about 12 mm in length.
 

This is a fossil starfish of the species Urasterella asperula from the Devonian of Bundenbach.
 

Here is a nice Czech Cystiod of the species Dendrocystites barrandei.