Carter, H.J. (1884). On the Spongia coriacea of Montagu ,=Leucosolenia coriacea, Bk., together with a new variety of Leucosolenia lacunosa, Bk., elucidating the spicular structure of some of the fossil CalcispongiƦ; followed by illustrations of the pin-like spicules on Verticillites helvetica, De Loriol. Journal of Natural History. 14 (79), 17-29.
On the <i>Spongia coriacea</i> of Montagu ,=<i>Leucosolenia coriacea</i>, Bk., together with a new variety of <i>Leucosolenia lacunosa</i>, Bk., elucidating the spicular structure of some of the fossil CalcispongiƦ; followed by illustrations of the pin-like spicules on <i>Verticillites helvetica</i>, De Loriol