| Citation | Smithsonian Institution, 2016 Petrolisthes quadratus Benedict. http://collections.si.edu/search/results.htm?q=Petrolisthes%09quadratus [Accessed 11/10/2016]. |
| Ref. | 112027 Smithsonian Institution, 2016 |
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| Named Used as Valid | Petrolisthes quadratus |
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