- ContentsContents
- Article InfoArticle Info
- CiteCite
- MetricsMetrics
- CommentComment
- RelatedRelated
- FigsFigs
- TabsTabs
- MapMap
- TaxaTaxa
- RefsRefs
- CitedCited
- Inst. CodeInst. Code
- NanopubsNanopubs
![Download image](https://arpha.pensoft.net//i/download-icon-30.png)
![](https://binary.pensoft.net/fig/374425/singlefigmini/file.jpg)
Sampling sites in Lake Baikal: 1, 2 samples of S. khanaevi sp. nov, 3 samples of S. papyracea.
![Download image](https://arpha.pensoft.net//i/download-icon-30.png)
![](https://binary.pensoft.net/fig/374426/singlefigmini/file.jpg)
Phylogenetic tree based on concatenated nuclear (ITS1 and ITS2) and mitochondrial (IGRs) sequences: Bayesian posterior probabilities are shown at the bases of the clusters. Taxon names and collection numbers of sponges analysed in this study are marked in bold. Scale bar denotes substitutions per site.
![Download image](https://arpha.pensoft.net//i/download-icon-30.png)
![](https://binary.pensoft.net/fig/374427/singlefigmini/file.jpg)
Swartschewskia khanaevi sp. nov., external view. Abbreviations: osc oscula, pf pore fields. Scale bar: 5 mm.
![Download image](https://arpha.pensoft.net//i/download-icon-30.png)
![](https://binary.pensoft.net/fig/374428/singlefigmini/file.jpg)
Swartschewskia khanaevi sp. nov. A sponge surface B ectosomal skeleton C cross section of skeleton D, E secondarily microspined tuberculated spines on strongyles F strongyles. Abbreviations: chs choanosomal skeleton, Cp Cocconeis placentula, dm dermal membrane, es ectosomal skeleton, ia inhalant apertures, Lsp Lagenophrys sp., st spicular tracts. Scale bars: 10 μm (D, E), 100 μm (F), 500 μm (A), 1 mm (B).
![Download image](https://arpha.pensoft.net//i/download-icon-30.png)
![](https://binary.pensoft.net/fig/374429/singlefigmini/file.jpg)
Swartschewskia papyracea A 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).