| Citation | Smithsonian Institution, 2016 Cirsotrema pilsbryi. http://collections.si.edu/search/results.htm?q=Cirsotrema%09pilsbryi [Accessed 11/11/2016]. |
| Ref. | 113193 Smithsonian Institution, 2016 |
| Page | |
| Named Used as Valid | Cirsotrema pilsbryi |
| Locality | |
| Distribution |