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HEXACTINELLIDA - Silicious spicules with hexactine spicules.
Key:
1a With amphidiscs, without hexasters .... AMPHIDISCOPHORA 50
1b Without amphidiscs, with hexasters .... HEXASTEROPHORA 2
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| Boury-Esnault and Rutzler, 1997. Figures 99, 102, 115, 118, 123, 130 |
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| Boury-Esnault and Rutzler, 1997. Figure 92 |
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