Here is a fossil echinoid of the species Micraster leskei on Matrix.

Here is a displayable ammonite stage with a Reineckeia anceps from the Middle Jurassic of France. The Reineckeia measures about 54 mm in diameter.

Here we have a relatively large fossil solitary coral of the genus Zaphrentis, which exhibits an interesting mode of embedding.

 

This is a nice  specimen of a Bundenbach trilobite of the genus Chotecops.

Here is a rather large fossil solitary coral of the genus Zaphrentis from the Devonian of the Hunsrück slate.

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

This slab from Bundenbach showcases a beautiful and detailed fossilized Crinoid of the species Codiacrinus schultzei.

This plate features two Ediacaran fossils of the species Tirasiana coniformis from Ukraine. Additionally, there is another faintly discernible disc-shaped fossil on the plate, which is likely a Cyclomedusa. Furthermore, some typical fold structures, known as "wrinkle structures," are visible. These structures are formed by microbial mats during the embedding progress.
 

Here is a nice plate with servile medusoid fossils from the Ediacaran Ranford Formation of West Australia.
The Largest specimen on this plate measures about 19 mm in diameter.

This is a cluster of medusoid fossils from the Ediacaran Ranford Formation of West Australia.
The Largest specimen on this plate measures about 18 mm in diameter.

This is a nice and detailed China trilobite of the species Changaspis elongate.
 

This is a beautiful and detailed trilobite of the species Salterocoryphe salteri from Portugal.

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 fossil leaf branch of a dawn redwood of the species Metasequoia occidentalis from Montana.
 

This is a polished section of a banded iron ore from the Kuruman Iron Formation in South Africa. Compared to classical tiger iron ores, does the Kuruman Iron formation exhibits a lower degree of metamorphic overprinting.

This is a polished section of a banded iron ore from the Kuruman Iron Formation in South Africa. Compared to classical tiger iron ores, does the Kuruman Iron formation exhibits a lower degree of metamorphic overprinting.

Here is a nice Inzeria intia stromatolite plate from the Bitter Springs Formation in Australia.
This stromatolite plate shows an extraordinary play of colors and comes from a particularly interesting locality.

This piece contains a complete specimen of a eurypterid of the species Balteurypterus tetragonophthalmus from the Silurian period of Ukraine.

This slab displays a noteworthy specimen of the eurypterid species Balteurypterus tetragonophtalmus from the Silurian of Ukraine.

Here you can see an exceptionally beautiful pair of fossil brittle stars of the species Palaeocoma egertoni from the Middle Lias of Dorset, England.

Here is a cluster of trilobites of the species Ductina ductifrons, consisting of two complete and one incomplete specimen.

Here is an Eifel trilobite of the species Geesops schlotheimi from the classic locality of the Pelm-Salmer Weg.
 

This fossil from the Chengjiang fauna is a rare arthropod of the species Panlongia spinosa.