perobrachius Definition
Definition
A genus of extinct marine arthropods from the Ordovician period. Perobrachius had a long, flattened cephalon, and a pair of long, articulated cephalic appendages used for feeding.
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A genus of extinct marine arthropods from the Ordovician period. Perobrachius had a long, flattened cephalon, and a pair of long, articulated cephalic appendages used for feeding.
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