ostracoderm

• Vertebrado aquático extinto, sem mandíbulas, do Paleozoico, caracterizado por corpo fortemente blindado por placas ósseas.

An extinct, fish-like, jawless vertebrate from the Paleozoic era, characterized by a heavily armored body.

1. Extinct armored jawless fishC2formalscientific

   An extinct group of jawless, fish-like vertebrates from the Paleozoic era, characterized by a heavily armored body.

   Peixe blindado sem mandíbula extinto

   • Ostracoderms are among the earliest known vertebrates.
   • Fossils of ostracoderms have been found in ancient marine sediments.
   • The armored plates of ostracoderms provided protection from predators.