Table 3 Number of rbcL barcodes and taxa (species or sub species level) per order in Diat.barcode version 7.

Bacillariophyceae

Achnanthales

260

55

Bacillariales

569

114

Cymbellales

322

90

Eunotiales

66

12

Lyrellales

3

3

Mastogloiales

1

1

Naviculales

878

263

Rhopalodiales

31

11

Surirellales

219

68

Thalassiophysales

144

39

Coscinodiscophyceae

Asterolamprales

1

1

Aulacoseirales

25

9

Chrysanthemodiscales

1

1

Corethrales

2

1

Coscinodiscales

24

14

Leptocylindrales

3

2

Melosirales

28

10

Paraliales

76

6

Rhizosoleniales

16

9

Fragilariophyceae

Ardissoneales

4

4

Climacospheniales

1

1

Cyclophorales

5

4

Fragilariales

333

81

Licmophorales

10

8

Protoraphidales

1

1

Rhabdonematales

3

2

Rhaphoneidales

8

5

Striatellales

13

10

Tabellariales

11

3

Thalassionematales

8

4

Mediophyceae

Anaulales

1

1

Biddulphiales

14

11

Chaetocerotales

29

15

Cymatosirales

42

16

Hemiaulales

10

9

Lithodesmiales

19

6

Thalassiosirales

212

86

Toxariales

2

2

Triceratiales

83

32