Abstract
The hydrothermal vent-endemic polychaete Archinome jasoni Borda et al., 2013 is known from the Atlantic, Indian, and Southwest Pacific oceans. In this study, we report A. jasoni from Okinawa Trough, Japan, which represents the first record of this species and the genus from the Northwest Pacific. We determined 16S and 28S rRNA gene sequences from 1 of the 7 specimens collected. We compared our Northwest Pacific specimens to specimens from the Southwest Pacific, Atlantic, and Indian oceans, and our specimen was genetically most closely related to individuals from the Southwest Pacific.
Highlights
The amphinomid annelid genus Archinome Kudenov, 1991 consists of 5 species, all of which are known from deep-sea hydrothermal vent and hydrocarbon seep areas (Borda et al 2013)
We report A. jasoni from Okinawa Trough, Japan, which represents the first record of this species and the genus from the Northwest Pacific
Based on morphological and molecular examinations, we identify the specimens as A. jasoni
Summary
The amphinomid annelid genus Archinome Kudenov, 1991 consists of 5 species, all of which are known from deep-sea hydrothermal vent and hydrocarbon seep areas (Borda et al 2013). Members of the genus are distributed worldwide, and 1 species, Archinome jasoni Borda et al, 2013, was originally described from hydrothermal vents across the Atlantic, Indian, and the Southwest Pacific oceans (Borda et al 2013). The species was originally described by Borda et al (2013) based on DNA sequence data. Our specimens of Archinome were collected from deep-sea hydrothermal vents in the Okinawa Trough, Northwest Pacific. Based on morphological and molecular examinations, we identify the specimens as A. jasoni
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