- ^ Tubeworm: Trophosome. NOVA Online: Into the Abyss. [2016-10-20]. (原始内容存档于2020-12-31) (英语).
- ^ Gruber-Vodicka, H. R.; Dirks, U.; Leisch, N.; Baranyi, C.; Stoecker, K.; Bulgheresi, S.; Heindl, N. R.; Horn, M.; Lott, C.; Loy, A.; Wagner, M.; Ott, J. Paracatenula, an ancient symbiosis between thiotrophic Alphaproteobacteria and catenulid flatworms. Proceedings of the National Academy of Sciences. 2011-06-27, 108 (29): 12078–12083. doi:10.1073/pnas.1105347108.
- ^ Somero, G.N. Symbiotic Exploitation of Hydrogen Sulfide. Physiology. 1987, 2: 3–6 (英语).