Table 1 in Diatoma sinensis: a new diatom species (Bacillariophyta) found in the brackish Lake Qinghai, China

Table 1. Morphological features of Diatoma sinensis and similar taxa.
FeatureD. sinensisD. moniliformisD. tenuisDistrionella incognitaOutlineLinear- lanceolateElliptical to lanceolateLinearTapering to the polesGirdle viewRectangularRectangularBiconcaveRectangularApicesCapitate to subcapitateRounded to cuneateCapitate, subrostrate in small valvesCapitate or rostrateValve dimensions (μm)Length 24-88, breadth 2.0-3.0Length 3-80, breadth 2.0-7.5Length 30-62, breadth 3.0-4.5Length 20-116, breadth 1.4-3.0Striae in 10 μm43-5461-6450-5414-38Ribs in 10 μm8-1310-179-122-14Rimoportula per valve2, embedded in one rib or stria area1 or 2, embedded in a primary rib1, between ribs1Configuration of girdle bands4: 2Probably 5 girdle bandsNo dataNo dataReferenceThis paperPotapova and Snoeijs 1997; Snoeijs and Potapova 1998; Williams 1985; Bąk et al. 2014Snoeijs and Potapova 1998; Williams 1985Morales et al. 2005; Williams 1990a