a–b Images of the benthic habitat at the Endeavour segment and Middle Valley. a showing a clump of Ridgeia and many dead vesicomyid clams, b a clump of Ridgeia around a sulphide block

 
 
  Part of: Oliver PG (2015) Description and morphology of the “Juan de Fuca vent mussel”, Benthomodiolus erebus sp. n. (Bivalvia, Mytilidae, Bathymodiolinae): “Phylogenetically basal but morphologically advanced”. Zoosystematics and Evolution 91(2): 151-165. https://doi.org/10.3897/zse.91.5417