| Citation | Cole, L.L., 1989 Catalog of tunicate type specimens in the United States National Museum Collection. Smithsonian Contributions to Zoology 487:i-12. |
| Ref. | 83879 Cole, L.L., 1989 |
| Page | 5 |
| Named Used as Valid | Heterostigma singulare |
| Locality | |
| Distribution | Massachusetts, USA. |