| Citation | Smithsonian Institution, 2016 Spiraserpula ypsilon Pillai and ten Hove, 1994. http://collections.si.edu/search/results.htm?q=Spiraserpula%09ypsilon [Accessed 07/27/2016]. |
| Ref. | 109977 Smithsonian Institution, 2016 |
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| Named Used as Valid | Spiraserpula ypsilon |
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