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Order Summary for Lampriformes
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Main Ref |
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Order |
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Lampriformes velifers, tube-eyes and ribbonfishes |
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Class |
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Teleostei |
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Sister Order |
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Myctophiformes 70 M years |
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Ref. |
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First Fossil Record |
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late Cretaceous |
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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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No true spines in fins; premaxilla excludes maxilla from gape; unique type of protrusible upper jaw (maxilla, instead of being ligamentously attached to the ethmoid and palatine, slides in and out with the highly protractile premaxilla in at least the first four suborders); pelvic fins with 0-17 rays; swim bladder, when present, physoclistous; orbitosphenoid present in some. |
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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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Greek, lampris, light, clear + Latin, forma = shape (Ref. 45335). |
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Families |
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