Red Austerops kermiti
Period: Middle Devonian (393-383 million years)
Description: This trilobite has fossilized in red color due to sediment in the area.
Fulgurite (lightning tube)
Description: Fulgurite resulting from the fall of an atmospheric lightning on a sandy ground, causing the fusion of the silica grains, being crystallized in the form of a tube.
Origin: Sahara Desert (Algeria)
Origin: Caithness (Scotland)
Description: Osteolepis was a tetrapodomorphic sarcopterygian that lived in the fresh waters found in the plains of the North Atlantic continent. Due to their anatomical characteristics, they are located in the line that gave rise to amphibians.
Oncolith around Brotia scheri
Origin: Aude (France)
Description: Concentric layers around Brotia scheri. Oncoliths are microbialites with spherical or ovoid sedimentary structures of organic origin, formed by concentric layers of calcium carbonate.