Classify the class Osteichthyes up to order
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Classification of Osteichthyes | Vertebrates | Chordata | Zoology
Subclass I. Sarcopterygii: (Gr., sarcos = fleshy; pterygium = fin) ...
Order 1. Crossopterygii: (Gr., crossoi = a fringe; pteryx = fin) ...
Order 2. Dipnoi: (Gr., di = double; pnoe = breathing) ...
Subclass II. Actinopterygii: ...
Superorder A. Chondrostei: ...
Order 1. Polypteriformes: ...
Order 2. Acipenseriformes: ...
Superorder B. Holostei:
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