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Noun: osteostracan
  1. Extinct jawless fish of the Devonian with armoured head
    - cephalaspid

Derived forms: osteostracans

Type of: agnathan, jawless fish, jawless vertebrate

Part of: Cephalaspida, Osteostraci, suborder Cephalaspida, suborder Osteostraci

Nearest

osteopathic
osteopathist
osteopathy
osteopetrosis
osteophyte
osteoplasty
osteoporosis
osteosarcoma
osteosclerosis
osteosclerosis congenita
osteostracan
Osteostraci
osteotomy
ostiarius
ostiary
ostinato
ostiole
ostium
ostler
Ostmark
ostomy