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Noun: suborder Heterostraci
  1. Extinct group of armoured jawless fishes or fish-like vertebrate; taxonomy is not clear
    - Heterostraci

Type of: animal order

Part of: order Ostracodermi, Ostracodermi

Nearest

suborder Cephalaspida
suborder Ceratopsia
suborder Ceratosaura
suborder Charadrii
suborder Clamatores
suborder Euronithopoda
suborder Eurylaimi
suborder Gorgonacea
suborder Gorgoniacea
suborder Heteroptera
suborder Heterostraci
suborder Homoptera
suborder Hyperoartia
suborder Hyperotreta
suborder Hystricomorpha
suborder Lacertilia
suborder Lari
suborder Lemuroidea
suborder Limicolae
suborder Lipotyphla
suborder Maniraptora