Order Summary for Amiiformes
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Main Ref |
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Order |
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Amiiformes bowfins |
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Class |
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Holostei |
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Sister Order |
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Osteoglossiformes 250 M years |
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Ref. |
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First Fossil Record |
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early Triassic |
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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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Caudal fin abbreviate heterocercal; dorsal fin base long, with about 48 rays; large median gular plate and 10-13 branchiostegal rays; swim bladder can function as a lung; no pyloric caeca. Maximum length about 90 cm. |
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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, amia = a kind of shark or tunna + Latin, forma = shape (Ref. 45335). |
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Families |
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( n = 1 ) Amiidae |