Unionidae cytochrome c oxidase subunit 1 (cox1), cytochrome c oxidase subunit 3 (cox3), and ATP synthase F0 subunit 6 (atp6) genes, complete cds; tRNA-Asp (trnD(gac)) gene, complete sequence; ATP synthase F0 subunit 8 (atp8), NADH dehydrogenase subunit 4L (nad4l), NADH dehydrogenase subunit 4 (nad4), and NADH dehydrogenase subunit 6 (nad6) genes, complete cds; tRNA-Gly (trnG(gga)) gene, complete sequence; NADH dehydrogenase subunit 1 (nad1) gene, complete cds; tRNA-Leu (trnL2(tta)), tRNA-Val (trnV(gta)), tRNA-Ile (trnI(atc)), tRNA-Cys (trnC(tgc)), and tRNA-Gln (trnQ(caa)) genes, complete sequence; NADH dehydrogenase subunit 5 (nad5) gene, complete cds; tRNA-Phe (trnF(ttc)) gene, complete sequence; cytochrome b (cob) gene, complete cds; tRNA-Pro (trnP(cca)), tRNA-Asn (trnN(aac)), tRNA-Leu (trnL1(cta)), 16S ribosomal RNA, tRNA-Tyr (trnY(tac)), tRNA-Thr (trnT(aca)), tRNA-Lys (trnK(aaa)), 12S ribosomal RNA, tRNA-Arg (trnR(cga)), tRNA-Trp (trnW(tga)), tRNA-Glu (trnE(gaa)), tRNA-Ser (trnS2(tca)), and tRNA-Ala (trnA(gca)) genes, complete sequence; NADH dehydrogenase subunit 3 (nad3) gene, complete cds; tRNA-Met (trnM(atg)) gene, complete sequence; NADH dehydrogenase subunit 2 (nad2) gene, complete cds; tRNA-Ser (trnS1(aga)) and tRNA-His (trnH(cac)) genes, complete sequence; and cytochrome c oxidase subunit 2 (cox2) gene, complete cds; mitochondrial.