@book {1172, title = {The Sponges. 3. Hexactinellida}, series = {Memoirs of the Museum of Comparative Zoology at Harvard College}, volume = {XLII}, number = {Reports on the Scientific Results of the Expedition to the Eastern Tropical Pacific, by the U.S.Steamer {\textquoteleft}Albatross{\textquoteright}}, year = {1915}, pages = {1-396, pls. 1-109}, publisher = {Cambridge, Mass}, organization = {Cambridge, Mass}, author = {Lendenfeld, R. Von} }