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Table 3 The estimated absolute rates of evolution, dn/ds ratio, and altitudinal range of all 13 anuran species in this study. The high-elevation species are in bold. For the absolute rate of fourfold degenerate (4D) sites and second codon position sites, the unit is number of substitutions per site per million years. The altitudinal range data were collected from Fei et al. [40], Amphibian Species of the World, AmphibiaWeb, and IUCN Red list

From: Molecular convergent and parallel evolution among four high-elevation anuran species from the Tibetan region

Species set

4D site

rate

2nd codon

rate

dN/dS

ratio

Elevational

range (m)

1 Bufo tibetanus

0.003692

0.00039

0.1131

2300–4300

 Bufo gargarizans

0.002331

0.000491

0.1712

0–2700

 Rhinella marina

0.002223

0.000176

0.1134

0–1600

2 Nanorana parkeri

0.00194

0.000267

0.168

2850–5000

 Nanorana yunnanensis

0.001272

0.000112

0.1135

1500–2400

 Quasipaa spinosa

0.001591

0.000162

0.1269

200–1500

3 Rana kukunoris

0.00268

0.000182

0.122

2800–4000

 Rana chensinensis

0.002536

0.0002

0.123

600–1300

 Odorrana margaretae

0.001295

0.000112

0.1235

390–1500

4 Scutiger boulengeri

0.000854

0.000135

0.162

3300–5270

 Oreolalax popei

0.000825

0.000101

0.1269

900–2000

 Leptobrachium boringii

0.001112

0.000102

0.0989

700–1700