Figure 1 in Integrative taxonomy of enigmatic deep-sea true whelks in the sister-genera Enigmaticolus and Thermosipho (Gastropoda: Buccinidae)

Figure 1. Map of the north-western Pacific showing the relevant vent and seep sites where new materials were collected for the present study. A, overview. B, close-up of the Izu-Bonin Arc area. C, close-up of the Okinawa Trough area. Triangles indicate hydrothermal vent fields and circles indicate hydrocarbon seep sites. 1, Myojin Knoll vent field; 2, Sumisu Caldera vent site; 3, Iheya North vent field; 4, Kuroshima Knoll seep site; 5, 'F site' seep, South China Sea. Maps generated with Mercator projection using the General Bathymetric Chart of the Oceans (GEBCO; https://www.gebco.net/; date accessed August 13, 2020) grid display software and GEBCO one-arc minute interval grid.