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Which fish groups belong to the superorder Protacanthopterygii?
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protacanthopterygian
Rainbow trout (Oncorhynchus mykiss).
The superorder Protacanthopterygii consists of three primary orders of bony fishes:
- Salmoniformes: This order includes well-known species such as salmons and trouts.1
- Osmeriformes: This group includes smelts and related species.1
- Esociformes: This order encompasses pikes and mudminnows.1
Considered the most primitive of the modern teleosts, this superorder comprises approximately 366 species found in both freshwater and marine environments worldwide.1