Helicana japonica mainly inhabits burrowed holes in the mudflats and intertidal zones. Specimens from the Republic of Korea were collected and whole genomic DNA from the cheliped muscle tissue was extracted. We determined the complete mitochondrial genome using Illumina HiSeq X Ten. The mitogenome is 16,535 bp in length and consists of 13 protein-coding genes, 2 rRNA genes, and 22 tRNA genes. A phylogenetic tree was reconstructed using the maximum-likelihood of phylogeny methods. H. japonica formed a sister clade with Helicana wuana, which is another Helicana species.
Keywords: Helicana japonica; Varunidae; mitochondrial genome; phylogeny.
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