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Sacabambaspis is an extinct genus of jawless fish that lived within the Ordovician period. Sacabambaspis lived in shallow waters on the continental margins of Gondwana. Sacabambaspis lived in shallow waters on the continental margins of Gondwana.[1] It is the most effective known arandaspid with many specimens known. The tail consisted of relatively giant dorsal and ventral webs, the tip of the tail was bordered by a small fin internet. I suppose that the tail of this fish is probably the most regular trying functi