North Africa, Morocco, Devonian Period, ca. 416 to 359.2 million years ago. A collection of 5 trilobite fossils, each in a stone matrix, excavated and prepared, their naturally dark exoskeletons contrasting with the surrounding stone. Some have nicely inflated and preserved details, such as the eye facet textures on the 2 smaller trilobites with protruding genal spines. The trilobite (meaning three-lobes) was a marine arachnomorph arthropod that seems to have been one of the most ubiquitous animals from the Early Cambrian to the Late Permian, when they were killed during the mass extinction. They had an easily fossilized exoskeleton, which is clearly visible on these specimens, and the black contrasts nicely with the lighter surrounding stone. Size of largest stone matrix: 4" L x 2.75" W x 1.5" H (10.2 cm x 7 cm x 3.8 cm); fossil: 2.3" L x 1.2" W (5.8 cm x 3 cm)

Provenance: private Van Buskirk collection, Tucson, Arizona USA, before 2005

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#183925

Excavated with expected preparation and repairs to the fossils. Stone matrices are repaired on all, with break lines radiating across the fossils. Infill to breaks and gaps on fossils.