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Squaliformes: Information from Answers.com (2154 words) |
 | Amongst living elasmobranches, Squaliformes is usually accepted as a sister group to an evolutionary branch consisting of angel sharks (Squatiniformes), saw sharks (Pristiophoriformes), and rays. |
| Squaliformes is a unique order of sharks in that at least one representative, the Greenland shark, is a common inhabitant of polar waters. |
| Squaliformes is an order of sharks that includes the smooth dogfish and spiny dogfish and others, about 80 species in four families. |
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