| Citation | Hummon, W.D., M. Balsamo and M.A. Todaro, 1992 Italian marine Gastrotricha: I. Six new and one redescribed species of Chaetonotida. Boll. Zool. 59:499-516. |
| Ref. | 2582 Hummon, W.D., M. Balsamo and M.A. Todaro, 1992 |
| Page | 511-513 |
| Named Used as Valid | Halichaetonotus margaretae |
| Locality | Tuscany: Marina di Donoratico Grosseto (43°09'N, 10°40'E). |
| Distribution | Italy. |