Isn't that long established, as the article says? The article, and yours too I would assume, mentions https://en.m.wikipedia.org/wiki/Paulinella https://en.m.w

Isn't that long established, as the article says? The article, and yours too I would assume, mentions https://en.m.wikipedia.org/wiki/Paulinella https://en.m.wikipedia.org/wiki/Paulinella which is really cool for being a second known primary symbiosis. Greatest rerun of all time!