Article: New marine biology study findings have been reported by scientists at Xiamen University.

"For many years, the lancelet Branchiostoma belcheri had been considered a widely distributed species throughout the West Pacific Ocean. Several recent studies divided it into two separate species based on significant morphological and genetic divergence," researchers in Xiamen, People's Republic of China report.

"However, this taxonomic subdivision has not yet been fully accepted by the scientific community. In order to further clarify the taxonomic status of the West Pacific lancelets, we present here complete mitochondrial genomes (mitogenomes) of two species and compare them at both genomic and phylogenetic levels. These comparisons reveal a significant ...

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