| Citation | www.meerwasser-lexikon.de, 2015 Hydnophora rigida. https://www.meerwasser-lexikon.de/tiere/949_Hydnophora_rigida.htm [Accessed 06/17/2015]. |
| Ref. | 102581 www.meerwasser-lexikon.de, 2015 |
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| Named Used as Valid | Hydnophora rigida |
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