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Current eukaryotic phylogenetic tree. In this unrooted tree, eukaryotes are divided into six supergroups, Opisthokonta, Amoebozoa, Excavata, Archaeplastida, SAR (stramenopiles, alveolates and rhizaria) and CCTH (cryptophytes, centrohelids, telonemids and haptophytes). Representative organisms whose draft genome sequences are available are shown as examples. The tree has been redrawn and modified from [30]. Branch lengths are arbitrary.
