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Table 3 Top dominant (%D) and frequent (%F) molluscan species in the global (diurnal + nocturnal), diurnal and nocturnal assemblages associated with a C. nodosa bed (10–14 m depth)

From: Composition and structure of the molluscan assemblage associated with a Cymodocea nodosa bed in south-eastern Spain: seasonal and diel variation

Total Diurnal Nocturnal
Species N %D Species N %D Species N %D
Dominant species
 Rissoa monodonta 30,961 47.1 Rissoa monodonta 13,247 53.4 Rissoa monodonta 16,580 41.4
 Rissoa membranacea 16,531 25.1 Rissoa membranacea 5,023 20.2 Rissoa membranacea 11,653 29.1
 Gibbula leucophaea 7,646 11.6 Gibbula leucophaea 2,755 11.1 Gibbula leucophaea 4,769 11.9
 Nassarius cuvierii 2,617 4.0 Jujubinus striatus 926 3.7 Nassarius cuvierii 1,882 4.7
 Jujubinus striatus 2,270 3.4 Tricolia tenuis 867 3.5 Jujubinus striatus 1,539 3.8
 Tricolia tenuis 1,980 3.0 Nassarius cuvierii 736 3.0 Tricolia tenuis 1,033 2.6
 Smaragdia viridis 1,367 2.1 Smaragdia viridis 462 1.9 Smaragdia viridis 877 2.2
 Gibbula ardens 502 0.8 Gibbula ardens 289 1.2 Calliostoma planatum 358 0.9
 Rissoa violacea 415 0.6 Rissoa violacea 150 0.6 Gibbula ardens 305 0.8
 Calliostoma planatum 395 0.6 Pusillina philippi 74 0.3 Rissoa violacea 278 0.7
Total Diurnal Nocturnal
Species %FR Species %FR Species %FR
Frequent species
 Tricolia tenuis 100 Gibbula leucophaea 100 Calliostoma planatum 100
 Smaragdia viridis 100 Jujubinus striatus 100 Gibbula leucophaea 100
 Gibbula leucophaea 100 Tricolia tenuis 100 Jujubinus striatus 100
 Jujubinus striatus 100 Smaragdia viridis 100 Tricolia tenuis 100
 Rissoa monodonta 100 Rissoa monodonta 100 Smaragdia viridis 100
 Rissoa membranacea 100 Rissoa membranacea 100 Rissoa monodonta 100
 Rissoa violacea 100 Rissoa violacea 100 Rissoa membranacea 100
 Nassarius cuvieri 87.5 Gibbula ardens 87.5 Rissoa violacea 100
 Calliostoma planatum 87.5 Musculus subpictus 87.5 Nassarius cuvieri 100
 Gibbula ardens 87.5 Calliostoma planatum 75 Nassarius pygmaeus 100
 Nassarius pygmaeus 81.2 Rissoa guerinii 75 Gibbula ardens 87.5
 Rissoa guerinii 81.2 Bittium latreilli 75 Rissoa guerinii 87.5
 Bittium latreilli 75 Nassarius cuvieri 75 Nassarius mutabilis 87.5
 Musculus subpictus 68.7 Rissoa ventricosa 62.5 Rissoa ventricosa 75
 Rissoa ventricosa 68.7 Nassarius pygmaeus 62.5 Bittium latreilli 75