| Notes on the arrangement of sponges, with the description of some new genera J E Gray (1867) Proceedings of the Zoological Society of London 1867: 492-558 | |
| May 9, 1867 George Busk (1867) Proceedings of The Zoological Society of London 1867: 473-565 | |
| The marine and fresh-water sponges of California M W De Laubenfels (1932) Proceedings of the United States National Museum 81: 1-140 |