order_ostracodermi
1. [ noun ] (biology,zoology) extinct group of armored jawless vertebrates; taxonomy is not clear
Synonyms: Ostracodermi
Related terms: animal_order Agnatha Heterostraci Osteostraci ostracoderm
Similar spelling:   order_Anostraca
  order_Notostraca
  order_Trichoptera
  order_Ostariophysi
  order_Xiphosura
  order_mecoptera
  order_Eubacteriales
  order_Batrachia
  order_Hyracoidea
  order_Crocodylia
  order_Crocodilia
  order_Corrodentia