The complete mitochondrial genome of the chicken roundworm <i>Ascaridia galli</i> (Nematoda: Ascaridiidae)

<i>Ascaridia galli</i> (Nematoda: Ascaridiidae), infecting mainly the small intestine of chickens, is one of the most common nematodes in poultry worldwide. The complete mitochondrial genome sequence of <i>A. galli</i> was 13,981 bp in total length with 36 coding genes, namely, 12 protein-coding genes (PCGs), two ribosomal RNAs, and 22 transfer RNAs. All PCGs were transcribed in one direction. Phylogenetic analysis of the mitogenome of <i>A. galli</i> would further contribute to resolving its phylogenetic position and offer novel perspectives on phylogenetic studies of <i>A. galli</i>.