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Order Summary for Salmoniformes
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Main Ref |
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Order |
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Salmoniformes salmons |
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Class |
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Teleostei |
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Sister Order |
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Esociformes 110 M years |
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Ref. |
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First Fossil Record |
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middle Cretaceous |
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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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Deep posterior myodome with eye musculature passing through and attaching to trunk muscles; adipose fin present; mesocoracoid present; gill membranes extending far forward, free from isthmus; pelvic axillary process present; last three vertebrae turned up; 11-210 pyloric caeca; 7-20 branchiostegal rays; vertebrae 50-75; tetraploid karyotype; parr marks in young of most species. Maximum length up to 1.5 m. This order has high value in sport and commercial fisheries. |
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Class etymology |
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Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335. |
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Order etymology |
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Latin, salmo = salmon, 1884 + Latin, forma = shape (Ref. 45335). |
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Families |
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( n = 1 ) Salmonidae |
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