This is a atractive fossil "Nattheim Coral" of the species Thecosmilia trichotoma.

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

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

This is a trilobite of the species Eldredgeia venustus from the devonian of Boliva in a typical concretion.

Here is a large Flexicalymene ouzregui in a unusual  preservation.
The Trilobite comes with the positive and negative side of the concretion.

Here is a superb "Navada Trilobite" of the species Olenellus gilberti.
This Olenellus gilberti shows a top preservation from the head to the tailspine.
The glabella is intact and inflated and the back spine is layed to the right and complete preserved.

This is a Lonchodomas drummuckensis from the upper Ordovician of Scotland.

Here is a complete czech trilobite of species Ctenocephalus coronatus from Skryje.

Here is a inexpensive  trilobite of the species Symphysurus rouvillei from Morocco.

Here is a very detailed specimen of a trilobite of the genus Euloma from the Ordovician of Morocco. This Trilobite comes with positive and negative.

Here is a nice trilobites double with a huge Ogygiocarella debuchii and a nice Cnemidopyge nuda from the Llandeilian of Wales. The  Cnemidopyge shows also nice the frontal spine.

Here is a unprepared Trilobite of the species Pseudocryphaeus minimus  from the Devonian Morocco.

Here is a nice "Valongo - Trilobites - Double" of the species Phacopidina micheli.
The trilobites show nicly centerd on about 260 x 210 mm large plate.

This is a multiple plate with servile Cystiods of the species Dendrocystites barrandei.

Here is a trilobite of the species Illaenula vietnamica from the devonian of China.

This is a unprepared trilobite of the genus Cyphaspis  from the Jebel Oufaten.
This Cyphaspis  species shows a high affinity to Cyphaspis barrandei  from the Czech Zlichovian.
The unprepared trilobite comes in three parts. Both genal spines and the frontalobe of the glabellar are visible.

This is a unprepared Trilobite of the species  Koneprusia  dahmani from the Timrhanrhart Formation of the  Jebel Zquilma site.

This is a unprepared trilobite of the genus Cyphaspis  from the Jebel Oufaten.
This Cyphaspis  species shows a high affinity to Cyphaspis barrandei  from the Czech Zlichovian.
The unprepared trilobite is shows as a nice cross section.

Here is a unprepared trilobite that most likely belongs to the species Paralejurus tenuistriatus.
The unprepared trilobite is in three pieces.

Here is a unprepared trilobite of the species Reedops pembertoni  from the Kolihapeltis couche of Atchana.

Here is a Coronocephalus gaoluoensis from the Silurian from China.

Here is a Coronocephalus gaoluoensis from the Silurian from China.

Here is a Coronocephalus gaoluoensis from the Silurian from China.

Here is a wonderfull fossil crinoid of the species Caleidocrinus multiramus from the czech ordovician.