| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 8278 | Bouillon, J., C. Gravili, F. Pagès, J.-M. Gili and F. Boero 2006 An introduction to Hydrozoa. Mémoires du Muséum national d'Histoire naturelle 194:1-591. | 2006 | Halecium filicula | --> |
| 116013 | Calder, D.R. and S.D. Cairns 2009 Hydroids (Cnidaria: Hydrozoa) of the Gulf of Mexico. pp. 381-394 In Felder, D.L.; Camp, D.K. (eds.) Gulf of Mexico - Origins, Waters, and Biota. Biodiversity. Texas A&M University Press, College Station, Texas. | 2009 | Halecium filicula | 390 |