BioStor
 | XII.—Observations on British Protozoa and Zoophytes T Strethill Wright (1861) Annals And Magazine of Natural History 8: 120-135 |
 | Revision of the Genera and Species of Anthonomini Inhabiting North America William G Dietz (1891) Transactions of the American Entomological Society (1890-) 18(2/3): 177-276 |
 | Hydropolypen von Rovigno, nebst Uebersicht uber das System der Hydropolypen im Allgemeinen (1898) Zoologische Jahrbuecher (Systematik) 10: 472-555 |
 | List of the Coleoptera of southern California with notes on habits and descriptions of new species Fall Henry Clinton (1901) Occasional Papers of the California Academy of Sciences, San Francisco 8: 1-282 |
 | Matériaux pour servir à l'histoire des Hydroïdes. 3ème période (1851-1871) M Bedot (1910) Revue Suisse De Zoologie 18: 189-490 |
 | Das System der Coelenterata F Poche (1914) Archiv fuer Naturgeschichte 80: 47-128 |
 | Checklist of the coleopterous insects of Mexico, Cantral America, the West Indies, and South America. Part 5. Richard E Blackwelder (1947) Bulletin of the United States National Museum 185: 765-925 |
 | Shallow-water hydroids of Bermuda. The Athecatae Dale R Calder (1988) Royal Ontario Museum Life Sciences Contributions Life sciences contributions 148: 1-107 |