Figure 5 from: Bukshuk NA, Maikova OO (2020) A new species of Baikal endemic sponges (Porifera, Demospongiae, Spongillida, Lubomirskiidae). ZooKeys 906: 113-130. https://doi.org/10.3897/zookeys.906.39534

Figure 5 Swartschewskia papyraceaA sponge surface B ectosomal skeleton C cross section of skeleton D rosette spines on strongyles E strongyles. Abbreviations: chs choanosomal skeleton, dm dermal membrane, es ectosomal skeleton, ia inhalant apertures, st spicular tracts. Scale bars: 10 μm (D), 100 μm (E), 500 μm (A, C), 1 mm (B).