BioStor
 | 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 |
 | February 13, 1868 John Gould (1868) Proceedings of The Zoological Society of London 1868: 71-156 |