Metamonads

Timed: Branched off about 1.8 billion years ago · the last 43% of life's story
Named: ≈1,000 named living species · 0.06% of all named
Weighed: Not measured (no figure in Bar-On et al. 2018).

Eukaryotes · single-celled groups

Living · roughly 1,000 described species

The date or placement of this group is still debated.

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A full profile for this group has not been written yet. Its place in the tree and its dates are shown below.