Table 5 Base composition and skewness of Porrocaecum moraveci sp. n. and P. reticulatum

Porrocaecum moraveci sp. n

 Whole mitochondrial genome

21.99

47.95

8.27

21.78

69.95

− 0.37

0.45

14,517

PCGs

18.56

50.50

8.04

22.90

69.06

− 0.46

0.48

10,185

 Condon position

  − 1st codon

26.58

40.80

8.21

24.40

67.38

− 0.21

0.50

3395

  - 2nd codon

18.76

51.25

13.52

16.47

70.01

− 0.46

0.10

3395

  - 3rd codon

10.34

59.44

2.39

27.84

69.78

− 0.70

0.84

3395

  tRNAs

29.38

41.15

8.65

20.82

70.54

− 0.17

0.41

1249

  rRNAs

26.93

43.51

8.26

21.30

70.44

− 0.24

0.44

1671

-   rrnL

24.95

46.69

7.45

20.91

71.64

− 0.30

0.47

966

  - rrnS

29.65

39.15

9.36

21.84

68.79

− 0.14

0.40

705

  NCR 1

36.57

38.62

10.66

14.15

75.19

− 0.03

0.14

1173

  NCR 2

17.82

61.38

4.95

15.84

79.21

− 0.55

0.52

101

  NCR 3

29.91

43.59

5.13

21.37

73.50

− 0.19

0.61

117

Porrocaecum reticulatum

 Whole mitochondrial genome

20.70

46.52

9.25

23.34

67.22

− 0.38

0.43

14,210

 PCGs

17.62

48.88

9.31

24.19

66.50

− 0.47

0.44

10,284

 Condon position

  − 1st codon

25.77

40.29

9.50

24.43

66.06

− 0.22

0.44

3428

  − 2nd codon

18.38

50.90

13.86

16.86

69.28

− 0.47

0.10

3428

  − 3rd codon

8.69

55.46

4.58

31.27

64.15

− 0.73

0.75

3428

  tRNAs

26.78

39.33

10.23

23.66

66.11

− 0.19

0.40

1251

  rRNAs

25.63

41.76

9.93

22.68

67.39

− 0.24

0.39

1662

  - rrnL

23.92

45.54

8.39

22.14

69.46

− 0.31

0.45

953

  - rrnS

27.93

36.67

11.99

23.41

64.60

− 0.14

0.32

709

  NCR 1

37.67

39.30

6.86

13.14

76.98

− 0.02

0.31

860

  NCR 2

30.97

43.36

4.42

21.24

74.34

− 0.17

0.66

113