FIGURE 1 in New fossil mussels (Bivalvia: Mytilidae) from Miocene hydrocarbon seep deposits, North Island, New Zealand, with general remarks on vent and seep mussels

FIGURE 1. Overview of relevant geology of the East Coast Basin, North Island, New Zealand, showing locations of the Miocene fossil hydrocarbon seep carbonates from which specimens of Bathymodiolus heretaunga sp. nov. and Gigantidas coseli sp. nov. were collected. 1–9. Sites of the northern region. 1. Bexhaven. 2. Karikarihuata. 3. Waipiro. 4. Tauwhareparae. 5. Puketawa. 6. Totaranui. 7. Moonlight North. 8. Rocky Knob. 9. Turihaua. 10, 11. Sites of the southern region. 10. Wanstead. 11. Ugly Hill. CP: Cape Palliser; HSZ: Hikurangi Subduction Zone; M: Marlborough; TVZ: Taupo Volcanic Zone. Also shown are some of the modern offshore hydrocarbon seep and hydrothermal vent sites on the Hikurangi Margin. Inset shows the Hikurangi subduction zone as part of the transpressive boundary between the Indo- Australian and Pacific Plates. Figure modified from Campbell et al. (2008).