- Human brain | 133
- Human | 14, 155, 18
- Placentalia subclade | 0, 195, 20
- Placentalia | 0, 195, 22
- Theria subclade | 0, 249, 24
- Theria | 46, 295, 25
- Mammal subclade | 0, 446, 27
- Mammal | 13, 459, 29
- Synapsid subclade | 0, 459, 30
- Synapsid | 44, 503, 31
- Amniote subclade | 0, 552, 36
- Amniote | 91, 643, 38
- Tetrapod subclade | 0, 643, 40
- Chordate subclade | 0, 748, 42
- Animal subclade | 14, 833, 49
- Animal | 31, 944, 55
- Eukarya subclade | 0, 1k, 62
- Eukarya | 9, 1k, 63
- Species | 0, 5k, 140
- Taxonomy | 0, 5k, 154
- Biology | 0, 11k, 528
- Natural science | 0, 64k, 2k
- Science | 0, 69k, 2k
- Ciro Santilli's Homepage | 262, 237k, 4k