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Table 2 Base composition of a chiton and cephalopod mtDNAs. This refers in all cases to the strand that is in the sense orientation for cox1

From: The complete sequence of the mitochondrial genome of Nautilus macromphalus (Mollusca: Cephalopoda)

Species

Total nt

T

C

A

G

A+T

G-skew

T-skew

Katharina tunicata

15532

5905

1847

4876

2891

69.4%

+0.220

+0.095

Nautilus macromphalus

16258

4201

4639

5486

1932

59.6%

-0.412

-0.133

Sepia officinalis

16163

5561

2880

6188

1534

72.7%

-0.305

-0.053

Loligo bleekeri

17210

5586

3357

6679

1588

71.3%

-0.358

-0.089

Sepioteuthis lessoniana

16631

5654

3216

6184

1577

71.2%

-0.342

-0.045

Todarodes pacificus

20254

6926

3547

7783

1998

72.6%

-0.279

-0.058

Watasenia scintillans

20093

6831

3843

7083

2336

69.2%

-0.244

-0.018

Octopus ocellatus

15979

5573

2473

6758

1175

77.2%

-0.356

-0.096

Octopus vulgaris

15744

5309

2764

6478

1193

74.9%

-0.397

-0.099