Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: ostracoderm  'ós-tru-kow,durm
  1. Extinct fish-like jawless vertebrate having a heavily armoured body; of the Paleozoic
    "Fossils of ostracoderms provide evidence of early vertebrate evolution"

Derived forms: ostracoderms

Type of: agnathan, jawless fish, jawless vertebrate

Part of: order Ostracodermi, Ostracodermi

Encyclopedia: Ostracoderm