Order Summary for Osmeriformes
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Main Ref |
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Order |
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Osmeriformes smelts |
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Class |
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Actinopterygii |
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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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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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Maxilla included in gape of mouth (the toothless maxilla is excluded from the gape in Protroctes and Lovettia and almost so in Aplochiton; adipose fin present or absent; radii absent on scales; loss of basisphenoid and orbitosphenoid bones.
Osmeriforms spawn in freshwater except the Argentinoidei, Osmerus eperlanus, and perhaps one or two salangids. |
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Classetymology |
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Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335. |
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Orderetymology |
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Greek, osme = bad smelling + Latin, forma = shape (Ref. 45335). |
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Families |
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Converted to PHP by Kit 06.10.09 |