ostracodermi

• Groupe éteint de vertébrés agnathes (sans mâchoires) à armure osseuse ou dermique, dont la classification taxonomique reste incertaine.

An extinct group of armored jawless vertebrates, whose taxonomic classification remains unclear.

indénombrable · nom propre

1. Extinct armored jawless fishC2formalscientific

   An extinct group of primitive, jawless, fish-like vertebrates that had a bony armor covering their head and body.

   Ostracodermes

   • Ostracodermi are among the earliest known vertebrates in the fossil record.
   • The bony plates of Ostracodermi provided protection from predators.
   • Paleontologists study Ostracodermi to understand the evolution of early fish.