Table 4 Summary of the base composition of the mitogenomes from 14 species in family Neritidae of the Neritimorpha.

From: Characterization of four mitochondrial genomes of family Neritidae (Gastropoda: Neritimorpha) and insight into its phylogenetic relationships

Species (Neritidae)

Length (bp)

Entire Genome

Length (bp)

PCGs

AT%

AT-skew

GC-skew

AT%

AT-skew

GC-skew

Nerita undata

15,583

63.18

− 0.1010

0.2442

11,271

62.26

− 0.1928

0.0080

Nerita balteata

15,571

63.29

− 0.1019

0.2412

11,271

62.36

− 0.1953

0.0099

Nerita albicilla

15,314

64.49

− 0.0532

0.1639

10,875

64.01

− 0.0577

0.1914

Nerita yoldii

15,719

64.71

− 0.1117

0.0448

11,097

63.84

− 0.1830

0.0227

Nerita fulgurans

15,343

64.37

− 0.0679

0.1892

11,346

63.81

− 0.1909

0.0252

Nerita tessellata

15,741

64.05

− 0.0532

0.1771

11,337

63.21

− 0.1936

0.0242

Nerita versicolor

15,866

61.67

− 0.0650

0.1725

11,337

60.43

− 0.2014

0.0106

Nerita melanotragus

15,261

63.54

− 0.0680

0.1637

11,321

62.72

− 0.1799

0.0019

Clithon retropictus

15,802

64.87

− 0.0449

0.1500

11,283

64.03

− 0.2013

− 0.0014

Clithon oualaniense

15,706

65.80

− 0.0438

0.1181

11,146

64.86

− 0.1994

0.0253

Clithon sowerbianum

15,919

64.46

0.0484

− 0.1425

11,077

63.32

− 0.2009

0.0241

Nerita chamaeleon

15,716

65.76

− 0.0755

0.1992

11,092

64.86

− 0.1857

0.0144

Nerita japonica

15,875

65.16

− 0.0851

0.2161

11,127

64.55

− 0.2000

0.0896

Neritina violacea

15,710

66.28

− 0.0534

0.1548

11,312

65.64

− 0.1973

0.0047

Species (Neritidae)

Length (bp)

tRNAs

Length (bp)

rRNAs

AT%

AT-skew

GC-skew

AT%

AT-skew

GC-skew

Nerita undata

1497

62.53

− 0.0171

0.1800

2236

65.88

0.0957

− 0.0485

Nerita balteata

1497

62.86

− 0.0223

0.1583

2231

65.62

0.0929

− 0.0509

Nerita albicilla

1498

62.55

− 0.0309

0.0232

2243

66.39

0.0692

− 0.0159

Nerita yoldii

1428

63.79

− 0.0165

0.1682

2154

67.22

0.0925

− 0.0510

Nerita fulgurans

1510

63.58

− 0.0104

0.1637

2166

65.81

0.0869

− 0.0608

Nerita tessellata

1510

63.25

− 0.0199

0.1820

2165

66.11

0.0852

− 0.0424

Nerita versicolor

1513

62.06

− 0.0268

0.1603

2168

65.18

0.0913

− 0.0517

Nerita melanotragus

1426

63.35

− 0.0044

0.1607

2165

67.07

0.0743

− 0.0323

Clithon retropictus

1493

63.93

− 0.0142

0.1400

2160

67.04

0.0967

0.0197

Clithon oualaniense

1481

62.93

− 0.0215

0.1730

2193

67.81

0.0800

0.0623

Clithon sowerbianum

1485

63.44

− 0.0170

0.1455

2196

67.08

0.0903

0.0401

Nerita chamaeleon

1485

63.44

− 0.0064

0.1750

2204

66.56

0.0716

− 0.0366

Nerita japonica

1495

63.14

− 0.0212

0.1688

2239

66.77

0.0970

− 0.0538

Neritina violacea

1483

62.71

− 0.0365

0.1899

2164

67.74

0.0614

0.0372

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