Order Summary for Lophiiformes
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Main Ref |
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Order |
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Lophiiformes anglerfishes |
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Class |
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Actinopterygii |
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Sister Order |
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Percopsiformes 50 M years |
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Ref.. |
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First Fossil Record |
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early Tertiary |
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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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First ray of spinous dorsal, if present, on head and transformed into illicium (line) and esca (bait), a device for attracting prey to mouth; pelvic fins, if present, in front of pectorals, with one spine and four (rarely) or five soft rays; gill opening small tubelike, at or behind (rarely partly in front of) pectoral fin base; five or six branchiostegal rays; no ribs; pectoral radials 2-5, narrow and elongate; first vertebra fused to skull; swim bladder, when present, physoclistous. |
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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, lophos, crest + Latin, forma = shape (Ref. 45335). |
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Families |
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Converted to PHP by Kit 06.10.09 |