Table 3. The mitogenome gene characteristics and location of [i] A. americanus.

Gene	Strand	Position	Length (nuc.)	Anticodon	Start codon	Stop codon	Intergenic nucleotides
tRNALeu	+	1–72	72	TAG			0
tRNAThr	+	73–144	72	TGT			0
tRNAPro	−	144–212	69	TGG			−1
tRNAPhe	+	212–279	68	GAA			−1
12S rRNA	+	280–1213	934				0
tRNAV al	+	1214–1282	69	TAC			0
16S rRNA	+	1283–2884	1602				0
tRNALeu	+	2885–2957	73	TAA			0
ND1	+	2958–3918	961		TTG	T	0
tRNAIle	+	3919–3989	71	GAT			0
tRNAGln	−	3989–4059	71	TTG			−1
tRNAMet	+	4059–4127	69	CAT			−1
ND2	+	4128–5162	1035		ATT	TAG	0
tRNATrp	+	5161–5230	70	TCA			−2
tRNAAla	−	5232–5300	69	TGC			+1
tRNAAsn	−	5302–5374	73	GTT			+1
L-strand origin of replication		5375–5403	29				0
tRNACys	−	5401–5464	64	GCA			−3
tRNATyr	−	5465–5534	70	GTA			0
COX1	+	5539–7080	1542		ATA	TAA	+4
tRNASer	−	7081–7151	71	TGA			0
tRNAAsp	+	7156–7224	69	GTC			+4
COX2	+	7226–7910	685		ATG	T	+1
tRNALys	+	7911–7982	73	TTT			0
ATP8	+	7984–8148	165		ATG	TAA	+1
ATP6	+	8139–8822	684		ATG	TAA	−10
COX3	+	8822–9605	784		ATG	T	−1
tRNAGly	+	9606–9674	69	TCC			0
ND3	+	9675–10016	340		ATG	T	0
tRNAArg	+	10015–10083	69	TCG			0
ND4L	+	10084–10383	300		ATG	TAA	0
ND4	+	10377–11741	1365		ATG	TAA	−7
tRNAHis	+	11742–11810	69	GTG			0
tRNASer	+	11811–11877	67	GCT			0
ND5	+	11915–13703	1789		ATG	T	+37
ND6	−	13701–14195	495		ATG	AGA	−3
tRNAGlu	−	14196–14263	68	TTC			0
CYTB	+	14269–15411	1143		ATG	AGG	+5
control region		15412–17328	1917				0