On two new genera of recent pharetronid sponges
β Scribed by R. Kirkpatrick
- Publisher
- Springer
- Year
- 1909
- Tongue
- English
- Weight
- 165 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1617-4615
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## Abstract The type species of the genus __Prolecanites__ is discussed. The generic name __Paraprolecanites__ Karpinsky 1889 is invalid, being founded on a hypothetical suture line. Forms showing this type of suture line have since been found and the genus __Epicanites__ was erected by Schindewolf
Ten new isoprenoids have been isolated from two marine sponges Ptilocaulis spiculifer and Axinella weltneri. P. spiculifer afforded three triterpenes, dihydroyardenone (1), abudinol B (2), muzitone (3) and two Ct3 and CI7 metabolites of abudinol, nakorone (4) and durgarnone (5). A. weltneri gave fiv