Here is a particularly beautiful specimen of a fossil goblet sponge of the species Raphidonema faringdonensi. A special feature is that it is populated with serpulides (lime tube worms).
 

Here is a nice poliched Sphalerite sprecimen or so called Schalenblende from Poland. It can be described as a sulfide microbialite

Here is a nice poliched Sphalerite sprecimen or so called Schalenblende from Poland. It can be described as a sulfide microbialite

Here is a nice poliched Sphalerite sprecimen or so called Schalenblende from Poland. It can be described as a sulfide microbialite

Two spiders are trapped in this Burmese amber.  This could be likely a Spider couple traped for eternety.

Here is a nice Eifel Mts Brachiopod of the species Spinocayrtia ostiolata.

Here is a beautiful fossil coral of the species Syringopora perelegans from the Devonian of Arizona.

Here is a nice fossil branching coral of the genus Thamnopora from the Devonian of Payson, Arizona.

Here is a fossil branching coral of the genus Thamnopora from the Devonian of Payson, Arizona.

Here is a fossil coral of the genus Thamnopora from the Devonian of Arizona.

Here is a fossil coral of the genus Thamnopora and a beautiful fossil bryozoan, which likely belongs to the genus Fistuliramus.

This nicely grown fossil coral colony from the classical site of Nattheim belongs to the  species Thecosmilia trichotoma.

Here is a beautiful tiger's eye sample from the Proterozoic era of South Africa. Tiger's eye is a marine microbialite found in the Banded Iron Formation, which formed approximately 3.8 to 1.8 billion years ago during the Great Oxidation Event through the precipitation of iron in seawater.

Here is a beautiful tiger's eye sample from the Proterozoic era of South Africa. Tiger's eye is a marine microbialite found in the Banded Iron Formation, which formed approximately 3.8 to 1.8 billion years ago during the Great Oxidation Event through the precipitation of iron in seawater.

Here is a beautiful tiger's eye sample from the Proterozoic era of South Africa. Tiger's eye is a marine microbialite found in the Banded Iron Formation, which formed approximately 3.8 to 1.8 billion years ago during the Great Oxidation Event through the precipitation of iron in seawater.

This is an exceptionally attractive fossil layer containing numerous gastropods of the genus Turritella from the Paleocene of the Saratov Region, Russia. 

Here is a fossil solitary coral of the Zaphrentis from the Devonian of Bundebach.
 

This surface find represents a cephalaspid head shield, which likely belongs to the species Zenaspis podolica.