FIGURE 4 in New fossil mussels (Bivalvia: Mytilidae) from Miocene hydrocarbon seep deposits, North Island, New Zealand, with general remarks on vent and seep mussels

FIGURE 4. Images showing typical hydrocarbon seep carbonate deposit and appearance of New Zealand hydrocarbon seep mussels in field samples before curating. A. Several float boulders (arrowed) originating upslope at Moonlight North locality. Person for scale. B. Clustered specimens of Gigantidas coseli sp. nov. occurring in situ from Bexhaven locality. Scale bar is 20 mm. C. Ex situ occurrence of specimens of G. c o s e l i (arrowed) from Moonlight North. Scale bar is 30 mm.