| Citation | Calder, D.R., 2012 On a collection of hydroids (Cnidaria, Hydrozoa, Hydroidolina) from the west coast of Sweden, with a checklist of species from the region. Zootaxa 3171:1-77. |
| Ref. | 124670 Calder, D.R., 2012 |
| Page | |
| Named Used as Valid | Pachycordyle michaeli |
| Locality | |
| Distribution | Northern Atlantic. |