Literature
  • 1811
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  • 1891
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  • 1899
  • Notes on some sponges belonging to the Clionidae obtained in Madeira. J. roy. microsc. Soc.,
  • 1842
  • A history of British sponges and Lithophytes. Lizars, Edinburgh: 1-264, 25 pls.
  • 1994
  • Process-formation by aquarium-kept sponges and its relevance to sponge ecology and taxonomy. In: R.W.M. van Soest, Th.M.G. van Kempen and J.C. Braekman (eds), Sponges in time and space. Balkema, Rotterdam. 515 pp.
  • 1987
  • Seasonal variations in the skeleton and spicule dimensions of Haliclona elegans (Bowerbank) sensu Topsent (1887) from two sites in North Wales: 109-129. In: W. C. Jones (ed.), European contributions to the taxonomy of sponges. Publ. Sherkin Isl. Marine Station, 1: 140 pp.
  • 1984
  • Spicule dimensions as taxonomic criteria in the identification of Haplosclerid sponges from the shores of Anglesey. Zool. J. Linn. Soc., 80: 239-259.