Table 2 Morphometric characteristics of N. volvendirostrata (N number of measurements, ND not determined)
Witkowski et al. (2016) | This work | |
|---|---|---|
Length (µm) | 7–11.5 | 7.5–14.1 (N = 30) |
Width valve (µm) | 3–3.5 | 3.1–3.3 (N = 30) |
Width frustule (µm) | ND | 3.0–3.5 (N = 30) |
Fibulae in 10 μm | 8–9 | 10–12 (N = 5) |
Striae in 10 μm | 52–54 | 58–68 (N = 5) |
Areolae in 10 μm | 80–90 | 70–100 (N = 5) |