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Table 1 Chromosome measurements and classification

From: Cytogenetic characterisation of the razor shells Ensis directus (Conrad, 1843) and E. minor (Chenu, 1843) (Mollusca: Bivalvia)

Ensis minor

Ensis directus

 

RL

CI

Class

 

RL

CI

Class

1

6.99 ± 0.06

32.73 ± 0.61

sm

1

6.93 ± 0.03

26.18 ± 0.79

sm

2

6.61 ± 0.03

35.52 ± 0.76

sm

2

6.56 ± 0.07

41.09 ± 0.37

m

3

6.36 ± 0.03

33.74 ± 0.26

sm

3

6.24 ± 0.06

29.43 ± 0.41

sm

4

6.24 ± 0.04

31.36 ± 0.52

sm

4

6.16 ± 0.04

22.53 ± 0.57

st

5

6.05 ± 0.03

39.88 ± 0.56

m

5

5.99 ± 0.11

33.80 ± 0.60

sm

6

5.88 ± 0.08

0.11 ± 0.01

t

6

5.74 ± 0.05

37.85 ± 0.37

m–sm

7

5.75 ± 0.03

37.95 ± 0.65

m–sm

7

5.66 ± 0.07

33.28 ± 0.79

sm

8

5.39 ± 0.05

0.12 ± 0.01

t

8

5.60 ± 0.04

8.16 ± 0.35

t

9

5.29 ± 0.06

39.61 ± 0.63

m

9

5.31 ± 0.03

22.58 ± 0.84

st

10

5.22 ± 0.05

33.46 ± 0.51

sm

10

5.25 ± 0.06

38.84 ± 0.30

m

11

5.11 ± 0.05

0.12 ± 0.01

t

11

5.17 ± 0.04

22.56 ± 0.47

st

12

4.87 ± 0.08

17.75 ± 1.48

st

12

5.02 ± 0.04

21.66 ± 0.71

st

13

4.84 ± 0.04

2.65 ± 0.84

t

13

4.87 ± 0.04

38.06 ± 0.72

m–sm

14

4.78 ± 0.07

38.53 ± 0.58

m

14

4.66 ± 0.06

38.56 ± 0.58

m

15

4.60 ± 0.08

39.98 ± 0.62

m

15

4.55 ± 0.05

30.12 ± 1.24

sm

16

4.53 ± 0.03

0.14 ± 0.01

t

16

4.41 ± 0.04

23.33 ± 0.96

st

17

4.23 ± 0.04

0.15 ± 0.01

t

17

4.22 ± 0.03

14.38 ± 0.95

st

18

3.87 ± 0.04

0.16 ± 0.01

t

18

4.20 ± 0.04

27.23 ± 0.66

sm

19

3.40 ± 0.05

1.46 ± 0.41

t

19

3.46 ± 0.06

7.67 ± 0.34

t

  1. RL relative length, CI centromeric index, Class classification, m metacentric, sm submetacentric, st subtelocentric, t telocentric