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- Colony of Hydractinia armata
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- Hydractinia armata male polyps
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- Hydractinia armata female polyps
| Domain | Eukarya |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Class | Hydrozoa |
| Order | Anthoathecata |
| Family | Hydractitinidae |
| Genus | Hydractinia |
| Species | armata (Fraser,1940) |
This file is provided as part of a collaborative effort by Lester B. Pearson College and local scientists. Copyrighted 1999–All Images on this page are the property of: Dr. Anita Brinckmann- Voss. They can not be used or modified without her written permission.