Trilobite Fossil Illustration - Paleozoic Arthropod Anatomy #3610349 (License: Personal Use)

This black-and-white line illustration depicts a dorsal view of a trilobite, an extinct marine arthropod from the Paleozoic era. Key features include the tripartite body division (cephalon, thorax, pygidium), prominent glabella, facial sutures, and articulated pleurae along the thoracic segments. The clean outline style makes it ideal for educational diagrams or scientific labeling.

Commonly used in educational websites, museum exhibits, geology textbooks, and online paleontology resources to illustrate trilobite morphology. Matches user intent for learning about fossil identification, evolutionary biology, or Earth history.