Species Cyclocoelum obscurum (Leidy, 1887)
- Monostoma obscurum Leidy, J. 1887. Notice of some parasitic worms. Proceedings of the Academy of Natural Sciences, Philadelphia 39: 20-24.
History of changes
Note that this list may be incomplete for dates prior to September 2013.
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 29-Jul-2013 | 29-Jul-2013 | MODIFIED | ||
| 26-Feb-2010 | ADDED |