| Citation | Smithsonian Institution, 2016 Sphaerosyllis piriferopsis Perkins, 1981. http://collections.si.edu/search/results.htm?q=Sphaerosyllis%09piriferopsis [Accessed 07/26/2016]. |
| Ref. | 109847 Smithsonian Institution, 2016 |
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| Named Used as Valid | Sphaerosyllis piriferopsis |
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