Bathymodiolus
Bathymodiolus is a genus of deep-sea mussels, marine bivalve molluscs in the family Mytilidae. Many of them contain intracelluar chemoautotrophic bacterial symbionts.
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.[2] They include:
