Order Summary for Lepidosireniformes
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Main Ref |
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Order |
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Lepidosireniformes South American and African lungfishes |
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Class |
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Dipneusti |
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Sister Order |
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Ceratodontiformes 400 M years |
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Ref. |
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First Fossil Record |
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early Devonian |
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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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Pectoral and pelvic fins filamentous, without rays; scales small; air bladder (lungs) paired; larvae with external gills; adults estivate in dry season. |
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Class etymology |
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Greek sark, sarx = flesh + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335. |
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Order etymology |
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Greek, lepis, -idos = scale + Greek, seiren = siren, mermaid + Latin, forma = shape (Ref. 45335). |
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Families |
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( n = 2 ) - |
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