@article{NARMS:SourceID:418915, author = {Stephenson, T. A.}, journal = {Quarterly Journal of Microscopical Science}, title = {On the classification of Actiniaria. Part III. -- Definitions connected with the forms dealt with in Part II}, url = {https://vliz.be/vmdcdata/narms/narms.php?p=sourcedetails&id=418915}, year = {1922} }