BioStor
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 | Hydropolypen von Rovigno, nebst Uebersicht uber das System der Hydropolypen im Allgemeinen (1898) Zoologische Jahrbuecher (Systematik) 10: 472-555 |
 | Matériaux pour servir à l'histoire des Hydroïdes. 3ème période (1851-1871) M Bedot (1910) Revue Suisse De Zoologie 18: 189-490 |
 | Shallow-water hydroids of Bermuda. The Athecatae Dale R Calder (1988) Royal Ontario Museum Life Sciences Contributions Life sciences contributions 148: 1-107 |