| Citation | Smithsonian Institution, 2014 Ptychognathus easteranus Rathbun, 1907. http://collections.si.edu/search/results.htm?q=Ptychognathus%09easteranus [Accessed 12/02/2014]. |
| Ref. | 98249 Smithsonian Institution, 2014 |
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| Named Used as Valid | Ptychognathus easteranus |
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