Människax

Människax is a fictional humanoid taxon used in speculative biology and science fiction to illustrate alternative trajectories of human evolution and variation. The name combines the Swedish word människa (human) with the Latin-like suffix -ax to indicate a distinct lineage rather than a direct synonym of Homo sapiens. It is not recognized by real-world palaeontology.

Anatomically, Människax is typically depicted as bipedal with a brain size comparable to or slightly larger than Homo sapiens. They are described as having robust skeletons, varied skin tones, and facial features that reflect adaptations to diverse climates. In some narratives they possess heightened sensory perception, while others emphasize social cognition and fine motor skills central to tool use and communication.

Ecology and culture: Across different works, they inhabit a wide range of environments, from temperate forests to high-altitude steppes. Tool traditions range from simple flaked stone tools to advanced metallurgy in later timelines; language is depicted with varying degrees of complexity; social organization ranges from egalitarian bands to hierarchical societies.

Usage and reception: Människax is mainly used to discuss hypothetical evolutionary questions, ethics of human modification, and the nature of culture. Because it is a fictional construct, it has no fossil record or official taxonomy, and references depend on the author or project in which it appears.