@article{Porifera:SourceID:7781, author = {Laubenfels, M.W. de}, journal = {Proceedings of the United States National Museum}, issue = {2993}, pages = {441-466}, title = {A comparison of the shallow-water sponges near the Pacific end of the Panama Canal with those at the Caribbean end}, url = {https://marinespecies.org/porifera/porifera.php?p=sourcedetails&id=7781}, volume = {83}, year = {1936} }