Bathymodiolus

Bathymodiolus is a genus of deep-sea mussels, marine bivalve molluscs in the family Mytilidae. Many of them contain intracelluar chemoautotrophic bacterial symbionts. Modern (non-fossil) species within the genus Bathymodiolus include: There also are several fossil species, which are usually only tentatively assigned to hydrothermal vent and hydrocarbon seep-inhabiting mussel genera due to their conservative shell morphology and ongoing taxonomic revision of this group. They include: