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| | SYSTEMATIC BIOLOGY (Site not responding. Last check: 2007-10-22) |
 | | This figure is from Valentine (2004) and based on his analysis of molecular, morphological, and developmental characters. |
 | | (2000), who propose support for three major bilaterian protostome clades: Ecdysozoa (red), Platyzoa (green), and Lophotrochozoa (blue). |
 | | (2000), is Valentine's placement of the remaining Platyhelminthes with the Lophotrochozoa rather than the Platyzoa. |
| comenius.susqu.edu /bi/202/Animals/valentine-2004.htm (95 words) |
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