4.4" Flexicalymene Trilobite Fossil Ordovician Age Tazzarine Region Morocco COA
Location: Tazzarine Region, Morocco
Weight: 6.2 Ounces
Dimensions: 4.4 Inches Long, 2.3 Inches Wide, 1.3 Inches Thick
Comes with a Certificate of Authenticity
The item pictured is the one you will receive.
Flexicalymene Trilobite
Trilobites (Class Trilobita) represent an extinct lineage of marine arthropods that first appeared during the Atdabanian stage of the Early Cambrian, approximately 521 million years ago. They are among the earliest complex animals with a mineralized exoskeleton, which facilitated exceptional fossil preservation. Trilobites are a key marker of the Paleozoic Era, predating dinosaurs by hundreds of millions of years.
Morphologically, trilobites exhibit a three-lobed longitudinal body plan: a central axial lobe and two lateral pleural lobes. Their anatomy is divided into three primary regions:
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Cephalon: Contains eyes, antennae, and mouthparts.
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Thorax: Comprising 2–61 articulated segments, providing flexibility and the ability to roll defensively.
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Pygidium: Fused terminal segments forming the tail region.
Trilobites demonstrate remarkable variation in size, ornamentation, and exoskeletal features, providing valuable insight into the evolution of early arthropods, Paleozoic marine biodiversity, and the functional morphology of exoskeleton-bearing animals.
Please be aware of the nature of fossils:
Being buried underground for millions of years under immense pressure can be quite harsh. Few fossils emerge completely intact; most require some restoration, and some are modified by humans to improve their appearance. Moroccan workers are highly skilled in excavating and conserving these natural treasures, though natural cracks often appear on the surface. These cracks are part of the fossil's natural charm and are not regarded as flaws.
