[Tryourbest (OP)]

Hi!

I am doing a PhD in microbiology and need to know the origin and evolution of chemilitotrophic and phototrophic organisms. I can't find anything of interest. Can you help me?

Thanks!

[evan_au]

Try Google Scholar...
https://www.google.com/search?rlz=1C1GCEU_en-GBAU819AU820&q=google+scholar+cladistics+of+chemolithotrophic+and+phototrophic+organisms?&spell=1&sa=X&ved=2ahUKEwiVoe3-wJzpAhW74zgGHYwiAcsQBSgAegQICxAm&biw=1609&bih=867

...but if you are doing a PhD, you should already know that?