"<em>Edwardsia claparedii</em> <em>Cap</em>, capitulum; sc, scapus; ph, physa. B, Transverse section of the same, showing the arrangement of the mesenteries. s, Sulcus; sl, sulculus. C, Transverse section of <em>Halcampa</em>, d,d, Directive mesenteries; st, stomodaeum." &mdash;Encyclopedia Britannica, 1910

Halcampa

"Edwardsia claparedii Cap, capitulum; sc, scapus; ph, physa. B, Transverse section…