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osteostraci
 
Noun osteostraci has 1 sense
  1. Osteostraci, suborder Osteostraci, Cephalaspida, suborder Cephalaspida - extinct group of armored fishlike vertebrates; taxonomy is not clear
    --1 is a kind of animal order
    --1 is a member of Ostracodermi, order Ostracodermi
    --1 has members: osteostracan, cephalaspid
osteophytic osteophytic lipping osteoporosis osteosarcoma osteosclerosis osteosclerosis congenita osteosis osteostracan osteostraci osteotomy ostepath osterisible ostiarius ostiary ostillio ostinato ostiole

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