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Table 1 Morphometric dimensions of Pseudo-nitzschia cells identified using TEM

From: Diversity and seasonality of Pseudo-nitzschia (Peragallo) at two North Sea time-series monitoring sites

Species\Metric

Shape

Length

Width

Central Interspace (Y/N)

No. of fibulae (10 µm)

No. of striae (10 µm)

No. of rows of poroids

No. of poroids (1 µm)

P. americana

rect

31.6–32.6

2.8–3.2

N

19–21

28

2

9

P. australis

lanc

80.2–121

7.2–8.2

N

14 –17

15–18

2

5

P. cf. delicatissima

lanc

45.4–57.3

2.0

Y

22–24

36

2

8–9

P. fraudulenta

lanc

73.3–81.8

5.4–7.0

Y

21–24

20–24

2–3

6

P. multiseries

lanc

99.2–190.4

4.5–4.7

N

11–14

10–12

3–4

6

P. cf. pseudodelicatissima

lin

63.34

1.21

Y

23

39

1

5–6

P. pungens

lin

106–148

3.4–4.6

N

10–12

10–12

2

3

P. seriata

lanc

80.6–120

7.5–8

N

14–15

16–17

2 (+1/2)

8

P. subpacifica

Lanc

79

5.3

Y

16

27

2

9

  1. Linear, lanceolate and rectangular shape of valves is notated as lin, lanc and rect, respectively