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Table 3 Mean species abundance per affinity group A1, A2 (ind. 0.1 m−2) and B (holdfast)

From: Diversity, distribution and ecology of the family Syllidae (Annelida) in the Portuguese coast (Western Iberian Peninsula)

Taxa A1 A2 B
Opisthodonta serratisetosa (López, San Marin and Jiménez, 1997) 1.6   
Syllis pontxioi San Martín and López, 2000 2.9   
Plakosyllis brevipes Hartmann-Schröder, 1956 1.0   
Syllis licheri Ravara, San Martín and Moreira, 2004 1.0   
Palposyllis prosostoma Hartmann-Schröder, 1977 0.8   
Xenosyllis scabra (Ehlers, 1864) 0.7   
Streptodonta pterochaeta (Southern, 1914) 0.6   
Odontosyllis gibba Claparède, 1863 0.6   
Dioplosyllis cirrosa Gidholm, 1962 0.3   
Syllides convolutus (Webster and Benedict, 1884) 0.2   
Streptosyllis bidentata Southern, 1914 0.1   
Exogone (Exogone) verugera (Claparède, 1868) 0.1   
Syllis parapari San Martín and López, 2000 0.1   
Odontosyllis fulgurans (Audouin and Milne-Edward, 1833) *   
Parexogone sp. *   
Salvatoria sp. *   
Sphaerosyllis bulbosa Southern, 1914 10.0 0.1 *
Syllis garciai (Campoy, 1982) 3.7 3.6 1.4
Trypanosyllis coeliaca Claparède, 1868 3.3   *
Eurysyllis tuberculata Ehlers, 1864 2.8 0.1  
Synmerosyllis lamelligera (Saint Joseph, 1887 1.7   1.4
Syllis armillaris (O.F. Müller, 1776) 1.3 0.4 0.5
Sphaerosyllis taylori Perkins, 1981 1.3 0.7  
Sphaerosyllis sp. 1.2   *
Paraehlersia ferrugina (Langerhans, 1881) 0.8 0.1 0.6
Parexogone gambiae Lanera, Sordino and San Martín, 1994   0.2  
Parexogone hebes (Webster and Benedict, 1884)   *  
Parapionosyllis brevicirra Day, 1954 0.1 2.7 0.2
Syllis mercedesae Lucas, San Martin and Parapar, 2012 0.6 1.9  
Haplosyllis spongicola (Grube, 1855) 0.2 0.2 *
Exogone (Exogone) naidina Örsted, 1845 * 0.1 *
Sphaerosyllis hystrix Claparéde, 1863 1.3 * 6.4
Myrianida brachycephala (Marenzeller, 1874) 0.1 * 2.8
Syllides edentatus Westheide, 1974   * 0.9
Syllis gracilis Grube, 1840   * 0.2
Brania pusilla (Dujardin, 1851)    7.8
Syllis krohni Ehlers, 1864    1.2
Syllis variegata Grube, 1860    1.2
Syllis alternata Moore, 1908    1.0
Syllis corallicola Verrill, 1900    0.8
Odontosyllis ctenostoma Claparède, 1868    0.7
Amblyosyllis formosa (Claparède, 1863)    0.3
Nudisyllis pulligera (Krohn, 1852)    0.2
Trypanosyllis zebra (Grube, 1840)    0.1
Eusyllis assimilis Marenzeller, 1875    0.1
Miscellania dentata Martin, Alós and Sardá, 1990    0.1
Syllides fulvus (Marion and Bobretzky, 1875)    0.1
Eusyllis blomstrandi Malmgren, 1867    *
Parapionosyllis minuta (Pierantoni, 1903)    *
Salvatoria clavata (Claparède, 1863)    *
Salvatoria limbata (Claparède, 1868)    *
Sphaerosyllis pirifera Claparède, 1868    *
Syllis schulzi (Hartmann-Schröder, 1960)    *
Virchowia clavata Langerhans, 1879    *
  1. Values in bold—exclusive species. Values in italics—group where non-exclusive species present their highest mean abundance
  2. * mean abundance below 0.05 ind. 0.1 m−2