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  1. Studies of "Sphaerodorum flavum"
  2. Macrobenthos of the North Sea - Polychaeta: Sphaerodorum flavum

  3. Three, two, one! Revision of the long-bodied sphaerodorids ...

  4. Macrobenthos of the North Sea - Polychaeta: Sphaerodorum flavum

  5. Sphaerodorum flavum Örsted, 1843 - World Register of Marine …

  6. People also ask
    Members of Sphaerodorum are dioicous and the sperm of Sphaerodorum flavum is of the ‘primitive type’ probably indicating external fertilization Franzen, 1956; Franzen, 1958; Capa, Bakken & Purschke, 2014 ). Other members of the family, the short-bodied forms, have shown pseudocopulation and internal fertilization ( Capa & Rouse, 2015 ).
    Sphaerodoridae (Annelida) from Lizard Island, Great Barrier Reef, Australia, including the description of two new species and reproductive notes. Zootaxa. 2015;4019:168–183. doi: 10.11646/zootaxa.4019.1.9.
    Members of Ephesiella are characterised by having compound chaetae (with a shaft and a blade), Sphaerodorum bear only simple chaetae (not divided), and Ephesiopsis both compound and simple chaetae in all parapodia (e.g., Hartman & Fauchald, 1971; Fauchald, 1974; Capa, Bakken & Purschke, 2014 ).
    We propose species of Ephesiella, should be transferred to Sphaerodorum. These findings provide evidence that compound or simple chaetae are not valid to split long-bodied sphaerodorids into natural groups. Based on only morphological data, we also suggest Ephesiopsis to be considered as a junior synonym of Sphaerodorum.
    Dispersal capability is therefore assumed limited at these in short bodied sphaerodorids ( Capa, Aguado & Bakken, 2016 ). However, no “sexual organs”, or sperm storage or larvae have been found in the long-bodied forms, and the question about the fertilization mode, development and dispersal capacity remains unanswered.
    The sphaerodorid descriptions often refer to parapodial lobes, conceived as parapodial appendages that are longer than papillae, absent or present.
  7. The excretory organs in Sphaerodorum flavum (Phyllodocida ...

  8. Frontiers | Comparative analyses of morphological …

    WEBIn Sphaerodorum flavum, the radial fibers seem much denser in the pharyngeal bulbous, whereas the anterior buccal cavity only possesses an irregular meshwork of muscle bundles (Figure 10C). At least within the …

  9. Sphaerodorum flavum - Search SeaLifeBase

  10. Three, two, one! Revision of the long-bodied …

    WEBOct 26, 2018 · Sphaerodorum flavum (Ørsted, 1843) from North East Atlantic and Norwegian Sea were recovered in different clades, separated by long genetic distances ( Fig. 2 ), indicating the potential ...

  11. Lumping and splitting at once: the interesting case of Ephesiella …

  12. The excretory organs in Sphaerodorum flavum (Phyllodocida ...