What do you mean by facial suture in trilobites?
Facial sutures. Facial or cephalic sutures are the natural fracture lines in the cephalon of trilobites. Their function was to assist the trilobite in shedding its old exoskeleton during ecdysis (or molting). Which of the following are facial sutures of trilobite that end at genal spine? cephalic suture In trilobites (Trilobita), the structure that includes…
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