Plants+HC+SAR megagroup

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Plants+HC+SAR megagroup is a group of eukaryotes proposed by Burki et al. (2008).[1]

It includes:

It has also been described as the sum of Archaeplastida, Rhizaria, and chromalveolates.[2] However, this simply refers to a different way of grouping the same organisms, largely due to the discovery that chromalveolata was not monophyletic.

It includes most of the species engaging in photosynthesis, except for the Euglenozoa and Cyanobacteria.


  1. ^ Burki, F.; Shalchian-Tabrizi, K.; Pawlowski, J. (2008). "Phylogenomics reveals a new 'megagroup' including most photosynthetic eukaryotes". Biology Letters. 4 (4): 366–369. doi:10.1098/rsbl.2008.0224. PMC 2610160free to read. PMID 18522922. 
  2. ^ Hampl, V.; Hug, L.; Leigh, J.; Dacks, J.; Lang, B.; Simpson, A.; Roger, A. (2009). "Phylogenomic analyses support the monophyly of Excavata and resolve relationships among eukaryotic "supergroups"". Proceedings of the National Academy of Sciences of the United States of America. 106 (10): 3859–3864. Bibcode:2009PNAS..106.3859H. doi:10.1073/pnas.0807880106. PMC 2656170free to read. PMID 19237557.