| Citation | Todaro, M.A., L. Matinato, M. Balsamo and P. Tongiorgi, 2003 Faunistics and zoogeographical overview of the Mediterranean and Black Sea marine Gastrotricha. Biogeographia 24:131-160. |
| Ref. | 2641 Todaro, M.A., L. Matinato, M. Balsamo and P. Tongiorgi, 2003 |
| Page | 158 |
| Named Used as Valid | Chaetonotus hilarus |
| Locality | |
| Distribution | Italy. |