Summary: | Figure 19. A, habitus of a fixed specimen of Guancha lacunosa. Scale bar = 1 mm. B, regular to parasagittal triactines from the cormus (tc) and parasagittal triactines from the peduncle (tp). Scale bar = 100 µm. C, large diactines with an angle in the middle region (ld) and small distorted diactines (sd), all from the peduncle. Scale bar = 100 µm. Published as part of Rapp, Hans Tore, 2006, Calcareous sponges of the genera Clathrina and Guancha (Calcinea, Calcarea, Porifera) of Norway (north-east Atlantic) with the description of five new species, pp. 331-365 in Zoological Journal of the Linnean Society 147 (3) on page 357, DOI:10.1111/j.1096-3642.2006.00221.x, http://zenodo.org/record/5427216
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