In situ habitat of Provanna exquisita sp. nov. on the summit of Northwest Eifuku Volcano. A overview of the habitat showing dominance by the deep-sea mussel Bathymodiolus septemdierum B close-up of the mixed provannid aggregation, arrowheads indicate examples of P. exquisita sp. nov. Photos taken by ROV ROPOS on dive #792 in Champagne vent, 21°29.25'N, 144°02.49'E, 1608 m deep.

 
 
  Part of: Chen C, Watanabe HK (2022) A new provannid snail (Gastropoda, Abyssochrysoidea) discovered from Northwest Eifuku Volcano, Mariana Arc. ZooKeys 1112: 123-137. https://doi.org/10.3897/zookeys.1112.85950