Three truths
- Timed
- Began about 1.1 billion years ago · the last 25% of life's story
- Named
- ≈1.3 million named living species · 77% of all named
- Weighed
- At least ≈2 Gt C · 0.4% or more of all life's carbon
- Some members are not measured (no figure in Bar-On et al. 2018).
Eukaryotes · animals
Holozoa
Living · roughly 1.3 million described species
The date or placement of this group is still debated.
A full profile for this group has not been written yet. Its place in the tree and its dates are shown below.
- Branched off
- About 1.2 billion years ago (approximate)
- Parent lineage
- Opisthokonts
Child lineages
Classification
Sources
- TimeTree: the timescale of life · TimeTree
- Open Tree of Life · Open Tree of Life
- Tree of Life Web Project · Tree of Life Web Project