Human
- Appearance: Humanoid; smooth, neotenous faces
- Lifespan
- 21st century: ~80 years
- 24th century: ~140 years
- Homeworld: Earth
- Major offworld populations: Luna, Mars, Titan, Deneva, Vega, Alpha Centauri system, Tau Ceti IV
- Warp capable: 2063
- See also
Augment
- Genetically-modified humans initially developed in the late 1960s by Dr. Sarina Kaur and her Chrysalis Project (TOS Novel: The Rise and Fall of Khan Noonien Singh, Volume 1)
- Noted for much greater physical capabilities and neural plasticity than baseline humans
- Five times the average strength (TOS: "Space Seed")
- More resistant to illness (ENT: "Borderland")
- Enhanced senses (ENT: "Cold Station 12", "Borderland", "The Augments"; TOS: "Space Seed")
- Lung efficiency greater by 50% (TOS: "Space Seed")
- Twice the average lifespan (ENT: "Borderland")
- Nervous system more resistant to shock, as from energy-based stun weapons (ENT: "Borderland", "Cold Station 12")
Magnian
- Human branch native to Magnia (SGR Novel: The Valiant)
- Originally established by survivors of the UES Valiant (SGR Novel: The Valiant)
- Biological notes
- Gained telepathic and telekinetic abilities due to long-term proximity to the Galactic Barrier (SGR Novel: The Valiant)
- Strength of telekinesis increases geometrically with number of participants (SGR Novel: The Valiant)
- Physically indistinguishable from humans (SGR Novel: The Valiant)
- More developed cerebellums (SGR Novel: The Valiant)
- Blood supply to cerebral cortex greater by almost 22% (SGR Novel: The Valiant)
- Gained telepathic and telekinetic abilities due to long-term proximity to the Galactic Barrier (SGR Novel: The Valiant)
- Cultural notes
- General populace views themselves as distinct from Earth (SGR Novel: The Valiant)
- Common to hold a slight amount of bitterness for no follow-up from Earth following the destruction of the UES Valiant (SGR Novel: The Valiant)
- Magnians generally on a first name basis with one another regardless of role (SGR Novel: The Valiant)
- General populace views themselves as distinct from Earth (SGR Novel: The Valiant)