Order Summary for Pristiformes
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Main Ref |
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Order |
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Pristiformes sawfishes |
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Class |
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Elasmobranchii |
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Sister Order |
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Torpediniformes 100 M years |
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Ref. |
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First Fossil Record |
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middle Cretaceous |
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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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Snout produced in a long flat blade with teeth on each side (teeth of equal size and embedded in deep sockets); barbels absent; body somewhat sharklike, although the head is depressed; two distinct dorsal fins and a caudal fin. |
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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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Greek, pristis, -eos = a kind of shark + Latin, forma = shape (Ref. 45335). |
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Families |
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( n = 1 ) - |
Converted to PHP by Kit 06.10.09 |