BioStor
 | Ostafrikanische Actinien. Gesammelt von Herrn Dr. F. Stuhlmann 1888 und 1889 O Calgren (1900) Mitteilungen aus dem Naturhistorischen Museum in Hamburg 17: 21-144 |
 | Das System der Coelenterata F Poche (1914) Archiv fuer Naturgeschichte 80: 47-128 |
 | Classification of Insects. A key to the known families of insects and other terrestrial arthropods. [1st Edition] C T Brues and A L Melander (1932) Bulletin of the Museum of Comparative Zoology 73: 1-672 |