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Noun: suborder Petromyzoniformes
  1. Lampreys as distinguished from hagfishes
    - Petromyzoniformes, Hyperoartia, suborder Hyperoartia

Type of: animal order

Part of: Cyclostomata, order Cyclostomata

Nearest

suborder Odontoceti
suborder Ophidia
suborder Ornithomimida
suborder Ornithopoda
suborder Oscines
suborder Osteostraci
suborder Otides
suborder Pachycephalosaurus
suborder Passeres
suborder Percoidea
suborder Petromyzoniformes
suborder Pinnipedia
suborder Plesiosauria
suborder Prosauropoda
suborder Prosimii
suborder Reptantia
suborder Ruminantia
suborder Sauria
suborder Sauropoda
suborder Sauropodomorpha
suborder Sciuromorpha