| Citation | Smithsonian Institution, 2014 Phascolosoma nigrescens Keferstein. http://collections.si.edu/search/results.htm?q=Phascolosoma%09nigrescens [Accessed 12/01/2014]. |
| Ref. | 98202 Smithsonian Institution, 2014 |
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| Named Used as Valid | Phascolosoma nigrescens |
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