◎ Ultraman X Species Type Categorizing Guide

Category	Description
Type A	Humanoid/Alien Humans; may appear as humans, or human-like. Able to communicate. Can also be used on aliens with part-animal features that have small bodies (smaller than a regular giant, but still bigger than a normal human).
Type M	Machines; can be controlled by a pilot, or may act individually.
Type G	Ground; land-moving, has animalistic/monstrous forms.
Type B	Bird; air-type, can freely move above ground/out in space.
Type F	Fish/Aquatic; water-type, have features that may appear like that of aquatic organisms. Possibly amphibious.