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order ostracodermi
 
Noun order ostracodermi has 1 sense
  1. Ostracodermi, order Ostracodermi - extinct group of armored jawless vertebrates; taxonomy is not clear
    --1 is a kind of animal order
    --1 is a member of Agnatha, superclass Agnatha
    --1 has members:
     ostracoderm; Heterostraci, suborder Heterostraci; Osteostraci, suborder Osteostraci, Cephalaspida, suborder Cephalaspida
order oleales order ophioglossales order opiliones order opuntiales order orchidales order ornithischia order orthoptera order ostariophysi order ostracodermi order palmales order pandanales order papaverales order paper order parietales order passeriformes order pectinibranchia order pediculati

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