Table 2 Holoplanktonic and meroplanktonic polychaete species identified in the study area: total mean weighted  density over all stations, per cent contribution, number of counted specimens (N), size range with mean value (X), standard deviation (±SD) and number of specimens measured (n).

From: The Otranto Channel (South Adriatic Sea), a hot-spot area of plankton biodiversity: pelagic polychaetes

SpeciesDensity
(ind./100 m3)
Percent
%
NSize range
(mm)
X
(mm)
(±SD)n
Holoplanktonic
Lopadorrhynchidae Claparède, 1870
  Lopadorrhynchus brevis Grube, 18550.130.2091.29–2.232.000.473
  Lopadorrhynchus uncinatus Fauvel, 19150.130.2092.11–16.4710.377.484
  Maupasia coeca Viguier, 18860.831.25581.76–3.762.500.6814
  Pedinosoma curtum Reibisch, 18950.040.0634.004.001
  Pelagobia longicirrata Greeff, 18790.130.2091.41–2.942.350.644
Alciopidae Ehlers, 1864
  Alciopina parasitica Claparède & Panceri, 18670.040.0634.35–6.475.761.222
  Krohnia lepidota (Krohn, 1845)8.8313.366231.17–7.643.071.18115
  Naiades cantrainii Delle Chiaje, 18301.742.631232.94–13.525.332.9431
  Plotohelmis capitata (Greeff, 1876)0.070.1056.116.111
  Plotohelmis tenuis (Apstein, 1900)0.050.0733.17–7.646.152.582
  Rhynchonereella gracilis Costa, 18640.370.56261.18–5.644.141.296
  Rhynchonereella moebii (Apstein, 1893)0.050.0739.299.291
  Vanadis crystallina Greeff, 18762.583.911821.17–20.586.575.1641
  Vanadis formosa Claparède, 18701.993.011402.92–20.006.643.7644
Tomopteridae Johnston, 1865
  Enapteris euchaeta Chun, 18880.050.07312.3512.351
  Tomopteris apsteini (Rosa, 1908)0.160.24112.35–23.5211.099.756
  Tomopteris catharina (Gosse, 1853)0.160.24112.35–11.768.273.089
  Tomopteris ligulata Rosa, 190819.4129.3813701.17–7.412.900.95383
  Tomopteris pacifica (Izuka, 1914)7.2811.035141.17–7.053.671.12154
  Tomopteris planktonis Apstein, 19002.533.831792.11–6.003.850.9832
  *Tomopteris sp.14.7922.3810440.70–5.293.060.97203
Typhloscolecidae Uljanin, 1878
  Sagitella kowalevskii Wagner, 18721.832.781292.35–7.175.321.2542
  Travisiopsis lanceolata Southern, 19100.350.53252.35–4.944.000.867
  *Travisiopsis sp.0.260.40183.76–4.113.990.202
Meroplanktonic
Poecilochaetidae Hannerz, 1956
  Poecilochaetus serpens larvae Allen, 19040.030.0423.173.171
Syllidae Grube, 1850
Syllidae larvae1.181.78832.11–3.292.630.4013
Nondetermined polychaete larvae1.071.62761.76–2.582.170.3032
  1. *Remarks: Juvenile specimens not assigned certainly to a species.