Table 2 Molecular diagnoses of the new freshwater mussel species (Unionidae) from Southeast Asia.

From: New freshwater mussel taxa discoveries clarify biogeographic division of Southeast Asia

New species

Mean COI p-distance from the most closely related species (%)

Most closely related species

Fixed unique nucleotide differences based on the sequence alignment of congeners

COI

16S rRNA

28S rRNA

Parreysia rakhinensis sp. nov.

2.12

Parreysia cf. corrugata sp.2

29 G, 429 C, 557 A

n/a

n/a

Balwantia baniensis sp. nov.

5.05

Balwantia elongatula comb. nov.

15 T, 17 G, 35 C, 101 G, 104 C, 159 C, 167 G, 170 A, 173 A, 182 G, 194 T, 207 T, 236 C, 242 A, 243 C, 248 T, 263 A, 290 A, 296 G, 338 A, 347 A, 353 G, 404 A, 443 T, 470 T, 506 T, 537 C, 542 G, 579 C, 587 T, 626 T, 635 C

192 T, 253 C, 263 G, 313 T, 464 T, 469 T

212 C, 497 T, 609 C

Trapezoideus lenya sp. nov.

4.46

Trapezoideus foliaceus

6 T, 14 G, 35 G, 38 G, 86 A, 92 G, 93 T, 98 C, 170 T, 209 A, 317 G, 353 T, 365 G, 383 T, 392 C, 401 A, 402 T, 404 A, 413 T, 461 G, 479 A, 527 G, 557 A, 584 C, 599 G, 608 T, 617 C, 629 A, 647 T, 654 C

155 T, 234 C, 252 T, 299 C, 316 A, 344 A, 355 G

n/a

Yaukthwa avaensis sp. nov.

2.90

Yaukthwa paiensis

365 A, 626 A

n/a

n/a

Monodontina laosica sp. nov.

2.40

Monodontina mekongi sp. nov.

89 A, 164 G, 347 A, 500 C, 539 A, 608 G

18 G, 48 C, 191 T

n/a

Monodontina lenyanensis sp. nov.

7.59

Monodontina vondembuschiana

86 G, 96 C, 146 A, 149 G, 197 A, 200 C, 206 A, 284 C, 287 T, 290 A, 389 A, 479 A, 480 T, 500 A, 512 A, 518 A, 521 A, 531 A, 611 C

258 C, 295 T, 334 T

528 G, 609 T, 738 C, 755 A

Monodontina mekongi sp. nov.

2.40

Monodontina laosica sp. nov.

56 A, 89 T, 257 A, 515 C, 527 G, 596 C

18 A, 48 T, 155 G

638 A, 768 A

Nyeinchanconcha nyeinchani gen. & sp. nov.

9.42

Sundadontina brandti sp. nov.

134 T, 194 C, 278 C, 299 C, 575 A

19 C, 150 C, 185 C, 196 A, 234 A, 236 C, 242 G, 296 A, 320 T, 329 T, 335 T, 338 G, 343 A, 457 T, 465 T

n/a

Pseudodon kayinensis sp. nov.

11.10

Pseudodon cf. inoscularis

14 A, 23 T, 53 A, 62 G, 65 C, 68 A, 83 A, 101 T, 104 C, 110 A, 131 A, 179 C, 203 C, 213 G, 224 T, 266 G, 272 A, 291 C, 311 A, 314 T, 326 A, 338 G, 344 G, 347 G, 371 A, 380 A, 437 C. 464 C, 470 G, 482 A, 491 A, 521 A, 524 A, 569 C, 587 C, 605 A, 623 T

7 C, 15 T, 25 G, 47 T, 48 C, 127 G, 147 C, 154 T, 159 G, 234 C, 240 C, 243 C, 247 T, 253 T, 293 C, 310 T, 311 C, 319 A, 320 C, 323 A, 329 T, 331 C

489 C

Sundadontina brandti sp. nov.

3.95

Sundadontina taskaevi sp. nov.

116 C, 398 C, 483 G, 518 C, 531 G, 581 A

18 C, 49 C, 371 C, 445 T

n/a

Sundadontina tanintharyiensis sp. nov.

2.46

Sundadontina cumingii gen. & comb. nov.

86 T, 206 G, 287 A, 338 G, 485 C

12 C, 14 T, 15 T, 17 T, 20 C, 47 T, 48 C, 162 T, 168 A, 172 G, 193 C, 194 A, 234 A, 243 G, 248 C, 253 G, 263 T, 318 G, 322 A, 323 T, 329 A, 335 T, 344 T, 375 T, 440 C, 475 A

n/a

Sundadontina taskaevi sp. nov.

3.95

Sundadontina brandti sp. nov.

149 A, 269 C, 380 A, 401 A, 440 C, 518 T, 536 A

159 T, 265 T, 342 A

n/a

  1. n/a – not available. Del – deletion mutation.