Three truths
- Timed
- Began about 1.4 billion years ago · the last 33% of life's story
- Named
- ≈36,000 named living species · 2.1% of all named
- Weighed
- Not measured (no figure in Bar-On et al. 2018).
Eukaryotes · single-celled groups · group
SAR supergroup
Living · roughly 36,000 described species
The date or placement of this group is still debated.
A large group of mostly single-celled eukaryotes named after its three branches: stramenopiles, alveolates and rhizarians.
Key characteristics
- Includes diatoms, kelp, ciliates and forams
- Includes the malaria parasite
- Mostly microscopic, but kelp grows as large seaweed
- Branched off
- About 1.6 billion years ago (approximate)
- Parent lineage
- Diaphoretickes
Child lineages
Classification
Sources
- SAR supergroup (Wikipedia) · Wikipedia
- TimeTree: the timescale of life · TimeTree
- Open Tree of Life · Open Tree of Life
- Tree of Life Web Project · Tree of Life Web Project