| Ref. | Description | Named Used | Page |
|---|---|---|---|
| 833 | Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. | Pachycordyle neapolitana | |
| 3125 | Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly and J. van Hertum (eds.) 2007 Species 2000 & ITIS Catalogue of Life: 2007 Annual Checklist. | Pachycordyle neapolitana | |
| 3327 | Medel, M.D. and P.J. López-González 1996 Updated catalogue of hydrozoans of the Iberian Peninsula and Balearic Islands, with remarks on zoogeography and affinities. | Pachycordyle neapolitana | 193 |