Table 1 Mitochondrial (mt) genomes analyzed in this study, including newly assembled mitogenomes and those from Genbank
Species | Subfamily | Length (bp) | SRA | Locality |
New mt genomes | ||||
 Scapharca broughtonii (1) | Anadarinae | 44,333 |  | Qingdao, Shandong, China |
 Scapharca broughtonii (2) | Anadarinae | 44,327 |  | Qingdao, Shandong, China |
 Scapharca broughtonii (3) | Anadarinae | 46,191 |  | Qingdao, Shandong, China |
 Scapharca broughtonii (4) | Anadarinae | 48,560 |  | Qingdao, Shandong, China |
 Scapharca cornea | Anadarinae | 46,362 |  | Philippines |
 Scapharca kagoshimensis (1) | Anadarinae | 54,157 |  | Qingdao, Shandong, China |
Species | Family/Subfamily | Length (bp) | GenBank acc. no. | Publication |
GenBank mt genomes | ||||
 Anadara crebricostata | Anadarinae | 36,671 | MN316632 | Kong et al., [12] |
 Anadara transversa | Anadarinae | 18,780 | MN326817 | Kong et al., [12] |
 Anadara vellicata | Anadarinae | 34,147 | KP954700 | Sun et al., [42] |
 Lunarca ovalis | Anadarinae | 19,620 | MN366010 | Kong et al., [12] |
 Potiarca pilula | Anadarinae | 28,386 | KU975162 | Sun et al., [43] |
 Scapharca broughtonii (5) | Anadarinae | 48,161 | KF667521 | Hou et al., [14] |
 Scapharca broughtonii (6) | Anadarinae | 46,985 | AB729113 | Liu et al., [13] |
 Scapharca globosa | Anadarinae | 33,405 | MN366011 | Kong et al., [12] |
 Scapharca gubernaculum | Anadarinae | 45,697 | MN061840 | Sun et al., [15] |
 Scapharca inaequivalvis | Anadarinae | 45,859 | MN366012 | Kong et al., [12] |
 Scapharca kagoshimensis (2) | Anadarinae | 56,170 | MN366013 | Kong et al., [12] |
 Scapharca kagoshimensis (3) | Anadarinae | 46,713 | KF750628 | Sun et al., [18] |
 Tegillarca sp. | Anadarinae | 50,104 | MN366016 | Kong et al., [12] |
 Tegillarca granosa | Anadarinae | 31,589 | KJ607173 | Sun et al., [41] |
 Tegillarca nodifera | Anadarinae | 38,672 | MN366014 | Kong et al., [12] |
 Arca navicularis | Arcinae | 18,004 | MN326818 | Kong et al., [12] |
 Arca zebra | Arcinae | 44,651 | MN366003 | Kong et al., [12] |
 Barbatia lima | Arcinae | 17,479 | MN366005 | Kong et al., [12] |
 Barbatia virescens | Arcinae | 24,871 | MN366006 | Kong et al., [12] |
 Trisidos semitorta (1) | Arcinae | 19,461 | MN366015 | Kong et al., [12] |
 Trisidos semitorta (2) | Arcinae | 19,613 | KU975161 | Sun et al., [43] |
 Cucullaea labiate (1) | Cucullaeididae | 25,845 | KP091889 | Feng et al., [44] |
 Cucullaea labiate (2) | Cucullaeididae | 20,481 | MN366007 | Kong et al., [12] |
 Glycymeris formosana | Glycymerididae | 19,027 | MN366008 | Kong et al., [12] |
 Glycymeris yessoensis | Glycymerididae | 17,903 | MN366009 | Kong et al., [12] |
 Arcopsis adamsi | Noetiidae | 18,716 | MN366004 | Kong et al., [12] |
Outgroup | ||||
 Mizuhopecten yessoensis | Pectinidae | 20,964 | FJ595959.1 | Wu et al., [45] |
 Pinctada maxima | Pteriidae | 16,994 | NC_018752.1 | Wu et al., [46] |
 Crassostrea gigas | Ostreidae | 18,224 | AF177226.1 | N/A |