| Citation | Smithsonian Institution, 2015 Etrema (Etrema) crassilabrum (Reeve, 1843). http://collections.si.edu/search/record/nmnhinvertebratezoology_555982 [Accessed 1/30/2015]. |
| Ref. | 99587 Smithsonian Institution, 2015 |
| Page | |
| Named Used as Valid | Etrema crassilabrum |
| Locality | |
| Distribution | Marshall Islands; 0-9 m. |