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Kamis, 12 Oktober 2017

  • Osteichthyes â€" a superclass containing the Bony fish, formerly in the now obsolete clade Teleostomi.
    • It is divided into two classes:
      • Actinopterygii âˆ' Ray-finned fish â€" contains most of the superclass's species.
      • Sarcopterygii âˆ' Lobe-finned fish.


source : en.wikipedia.org

 
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