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Noun: subclass Crossopterygii
  1. Fishes having paired fins resembling limbs and regarded as ancestral to amphibians
    - Crossopterygii

Type of: class

Part of: class Osteichthyes, Osteichthyes

Nearest

subclass Archaeornithes
subclass Archosauria
subclass Arecidae
subclass Asteridae
subclass Branchiopoda
subclass Caryophyllidae
subclass Cirripedia
subclass Cnidosporidia
subclass Commelinidae
subclass Copepoda
subclass Crossopterygii
subclass Diapsida
subclass Dibranchia
subclass Dibranchiata
subclass Dilleniidae
subclass Dipnoi
subclass Discomycetes
subclass Elasmobranchii
subclass Entomostraca
subclass Euascomycetes
subclass Euryalida