The term "Harosa" (at the subkingdom level) has also been used for this grouping by Cavalier-Smith (2010). Adl et al. (2012) formalized the SAR supergroup as the node-basedtaxon Sar. They defined it as:
Members of the SAR supergroup were once included under the separate supergroups Chromalveolata and Rhizaria, until phylogenetic studies confirmed that stramenopiles and alveolates diverged together with Rhizaria. This apparently excluded haptophytes and cryptomonads, leading Okamoto et al. (2009) to propose the clade Hacrobia to accommodate them.
^ abSina M. Adl, Alastair G.B. Simpson, Christopher E. Lane, Julius Lukeš, David Bass, Samuel S. Bowser, Matthew W. Brown, Fabien Burki, Micah Dunthorn, Vladimir Hampl, Aaron Heiss, Mona Hoppenrath, Enrique Lara, Line Le Gall, Denis H. Lynn, Hilary McManus, Edward A.D. Mitchell, Sharon E. Mozley-Stanridge, Laura W. Parfrey, Jan Pawlowski, Sonja Rueckert, Laura Shadwick, Conrad L. Schoch, Alexey Smirnov, & Frederick W. Spiegel (2012). "The Revised Classification of Eukaryotes". Journal of Eukaryotic Microbiology59 (5): 429–493. doi:10.1111/j.1550-7408.2012.00644.x.