Very nice specimen from an old collection with original well preserved label (B. STÜRTZ in BONN).

Rare echinoid from the Paleozoic with spines.

Carboniferous, Texas, USA.

Lower Carboniferous, Tournaisian, BordenGroup;

Crawfordsville, Indiana, USA

Well preserved root of the crinoid.

Jurassic, Switzerland

Lower Carboniferous, Tournaisian, BordenGroup;

Crawfordsville, Indiana, USA

Specimen is almost entirely built up by remains of this crinoid.

Jurassic, Switzerland.

Extraordinary specimen of this starfish!

Devonian, Bundenbach, Germany.

Very nice specimen.

Tertiary, France

Very nice specimens.

Tertiary, France