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Order Summary for Squatiniformes
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Main Ref |
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Order |
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Squatiniformes angel sharks |
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Class |
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Elasmobranchii |
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Sister Order |
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Squaliformes 155 M years |
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Ref. |
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First Fossil Record |
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late Jurassic |
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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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Body raylike; eyes dorsal; two spineless dorsal fins; no anal fin; five gill openings; spiracle large; mouth almost terminal; nostrils terminal with barbels on anterior margin. Maximum length up to 2 m. |
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Class etymology |
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Greek eulanein, elasmos = metal beaten out + Greek brangchia = gills. Ref. 45335. |
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Order etymology |
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Latin, squatina = a kind of shark (Ref. 45335). |
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Families |
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( n = 1 ) Squatinidae |
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