@inbook {253, title = {Scyphozoa}, booktitle = {Handbuch der Zoologie: eine Naturgeschichte der St{\"a}mme des Tierreiches}, volume = {1}, year = {1925}, pages = {pp. 522-576}, address = {Berlin und Leipzig}, keywords = {Stauromedusae, Staurozoa}, url = {http://www.nature.com/nature/journal/v116/n2912/abs/116274b0.html}, author = {T. Krumbach}, editor = {Willy K{\"u}kenthal} }