Non-humanoid

The term non-humanoid designated lifeforms which did not share certain morphological, biological, and physiological traits with humanoids and could exist in a wide variety of types. 
Relations among humanoid species were considered easier than between a humanoid and a non-humanoid one since those lacked a common point of reference to base communications on. ()
Animals were considered to be non-humanoid. () The term "alien" was also sometime used by humanoids to describe non-humanoids. ()
A nitrogen sulfide atmosphere was considered an indicator of non-humanoid life. ()
== See also ==
* Non-humanoid species
** Unnamed non-humanoids
* Non-humanoid exobiology
Category:Lifeform classifications