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Black trilobite spines and a segmented fossil body rise from pale limestone on a dark charcoal surface.

Trilobite spines rise from pale limestone

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Trilobite spines rise from pale limestone in a close view of a dark segmented fossil. The broad head carries two raised eye forms, while a central ridge leads down the narrowing body. Repeated shell segments overlap in a strong rhythm. Long curved spines spread from the sides and cast fine shadows over the surrounding stone.

The dark surface has small pale chips and uneven mineral highlights. Some ridges shine sharply, while recessed areas remain almost black. These changes make the shell feel solid and weathered. The limestone around it is rougher and lighter, with broken edges, tiny pits and narrow cracks that interrupt the smooth curves of the fossil.

A few loose fragments rest on the charcoal surface below the block. Short shadows connect the specimen to the tabletop, and stronger side light traces the longest spines. The upper background falls into soft darkness, keeping attention on the dense pattern of shell and stone. The diagonal placement gives the body room to extend through the portrait frame while leaving enough surrounding rock to show its physical setting.

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