| Referens | Smithsonian Institution, 2015 Synthecium orthogonium (Busk, 1852). http://collections.si.edu/search/record/nmnhinvertebratezoology_13479 [Accessed 2/9/2015]. |
| Ref. | 99733 Smithsonian Institution, 2015 |
| Sida | |
| Named Used as Valid | Synthecium orthogonium |
| Observationsplats | |
| Distribution | Hawaii. |