| Citation | Smithsonian Institution, 2016 Scalpellum gibbum Pilsbry, 1907. http://collections.si.edu/search/results.htm?q=Scalpellum%09gibbum [Accessed 08/03/2016]. |
| Ref. | 110221 Smithsonian Institution, 2016 |
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| Named Used as Valid | Scalpellum gibbum |
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