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| | Holothuroidea |
 | | <==o HOLOTHUROIDEA (Sea cucumbers; merimakkarat) ?- Gephyrothuriidae Koehler and Vaney, 1905 [has been treated as Molpadiid (Parker, 1982, Kerr and Kim, 2001)] ?- Eupyrgidae Deichmann, 1940 [has been treated as Molpadiid (Parker, 1982, Kerr and Kim, 2001)] --o †Arthrochirotida Seilacher, 1961 |
 | | Kerr, A. M., 2000: Holothuroidea - Sea cucumbers. |
 | | Kerr, A. and Kim, J., 2001: Phylogeny of Holothuroidea (Echinodermata) inferred from morphology. |
| www.fmnh.helsinki.fi /users/haaramo/Metazoa/Deuterostoma/Echinodermata/Holothuroidea.htm (167 words) |
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