@inbook{Porifera:SourceID:494, author = {Fautin, Daphne G.}, note = {Database is offline (link to archive.org only partially working). Part of the content was integrated into WoRMS}, title = {Hexacorallians of the World}, url = {https://www.marinespecies.org/porifera/porifera.php?p=sourcedetails&id=494}, year = {2013} }