Ecology

Associations

Known predators

  • Christian RR, Luczkovich JJ (1999) Organizing and understanding a winter’s seagrass foodweb network through effective trophic levels. Ecol Model 117:99–124
  • Hall SJ, Raffaelli D (1991) Food-web patterns: lessons from a species-rich web. J Anim Ecol 60:823–842
  • Huxham M, Beany S, Raffaelli D (1996) Do parasites reduce the chances of triangulation in a real food web? Oikos 76:284–300
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Known prey organisms

  • Christian RR, Luczkovich JJ (1999) Organizing and understanding a winter’s seagrass foodweb network through effective trophic levels. Ecol Model 117:99–124
  • Hall SJ, Raffaelli D (1991) Food-web patterns: lessons from a species-rich web. J Anim Ecol 60:823–842
  • Huxham M, Beany S, Raffaelli D (1996) Do parasites reduce the chances of triangulation in a real food web? Oikos 76:284–300
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© SPIRE project

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:467Public Records:375
Specimens with Sequences:433Public Species:23
Specimens with Barcodes:193Public BINs:29
Species:35         
Species With Barcodes:31         
          
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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Hesionidae

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Genomic DNA is available from 4 specimens with morphological vouchers housed at Moscow State Univ
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Wikipedia

Hesionidae

Hesionidae are a family of phyllodocid "bristle worms" (class Polychaeta). They are (like almost all polychaetes) marine organisms. Most are found on the continental shelf; Hesiocaeca methanicola[verification needed] is found on methane ice, where it feeds on bacterial biofilms.

A characteristic apomorphy of the Hesionidae are the cirrophores of the anterior segments, which are well-developed cup-like sheaths; the cirri of the subsequent segments insert into the parapodia directly, or with just a vestigial cirrophore.[1]

Systematics

As phyllodocids, the Hesionidae belong to the order Aciculata, one of the three main clades of polychaetes. They appear to be part of the basal radiation of the main lineage of phyllodocids, alongside such families as the ragworms (Nereididae), the Pilargidae and Sphaerodoridae which are closely related to each other, the very ancient Syllidae, and perhaps the more advanced catworms (Nephtyidae). [2]

Numerous genera are still treated as Hesionidae incertae sedis, not reliably assignable to either of the three generally recognized hesionid subfamilies:[3]

Footnotes

  1. ^ Pleijel et al. (2008)
  2. ^ Rouse & Fauchald (1998)
  3. ^ Pleijel et al. (2008), WoRMS (2008)

References


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