Unexpected Findings: Cleveland’s Prehistoric Sea Monster Was Unlike Most Of Its Kin

Eddie Gonzales Jr. – AncientPages.com – Approximately 360 million years ago, during the Late Devonian Period, a formidable armored fish called Dunkleosteus terrelli dominated the shallow subtropical seas that once covered what is now Cleveland. This species belonged to the arthrodires, an extinct group of shark-like fishes characterized by bony armor protecting their head and […]

  History & Life Story   Nov 21, 2025   0   14  Add to Reading List
Unexpected Findings: Cleveland’s Prehistoric Sea Monster Was Unlike Most Of Its Kin
Eddie Gonzales Jr. – AncientPages.com – Approximately 360 million years ago, during the Late Devonian Period, a formidable armored fish called Dunkleosteus terrelli dominated the shallow subtropical seas that once covered what is now Cleveland. This species belonged to the arthrodires, an extinct group of shark-like fishes characterized by bony armor protecting their head and […]
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