Vesicomyid clams harbor intracellular sulfur-oxidizing bacteria that are predominantly maternally inherited and co-speciate with their hosts.
Carole Decker, Karine Olu, Sophie Arnaud-Haond, Sébastien Duperron 2013, 'Physical proximity may promote lateral acquisition of bacterial symbionts in vesicomyidclams.', PLoS ONEhttp://europepmc.org/articles/PMC3704533?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)