Skull of Dunkleosteus terrelli, a placoderm fish that lived in the Late Devonian (385-359 million years ago). It takes a forklift to move this heavy skull.


  • Title: Armored Fish
  • Location: Loraine County, Ohio, United States, North America
  • Type: Fossil
  • Rights: This image was obtained from the Smithsonian Institution. The image or its contents may be protected by international copyright laws. http://www.si.edu/termsofuse
  • External Link: View this object record in the Smithsonian Institution Collections Search Center
  • USNM Catalog Number(s): V21314, V21314
  • Scientific Name: <i>Dunkleosteus terrelli</i>
  • Photo Credit: Chip Clark, Smithsonian Institution National Museum of Natural History
  • Geologic Age: Paleozoic - Devonian
  • Field: Paleobiology
  • Date Collected: 1923

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