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Order Summary for Ceratodontiformes
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Main Ref |
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Order |
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Ceratodontiformes Australian lungfishes |
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Class |
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Dipneusti |
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Sister Order |
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Lepidosireniformes 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 flipperlike; scales large; air bladder (lung) unpaired; larvae without external gills; adults do not estivate. |
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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, keras = horn + Greek, odous = tooth, teeth + Latin, forma = shape (Ref. 45335). |
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Families |
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