nonanthropy:

An otherhearted symbol, depicted as a heart with the center shaping into a diamond, and a ring interlocking with it.ALT
The otherkin symbol, depicted as a seven-pointed star.ALT
The therianthrope symbol, depicted as a Theta Delta symbol, which is a triangle with a horizontal line through it, and a ring interlocking through the triangle.ALT
An alterhuman symbol, depicted as the “alt” key on a keyboard, which is a horizontal line on the bottom, and a line that goes up and over it, with an arrow at the end.ALT
A nonhuman symbol, depicted as a diamond with a circle with two small lines coming off of the top and bottom of it, and a dot in the center. There is a ring behind the diamond, circling it.ALT
The constelic symbol, depicted as a five-point star where each point moves outwards, then back down and curling around itself.ALT
The aldernic symbol, depicted as a white diamond.ALT
An otherlink symbol, depicted as two diagonal chains linked together.ALT
An extranthrope symbol, depicted as a diamond with an X going through it.ALT

assorted alterhuman [and related] symbols

links above go to creation posts or the absolute closest approximation i could access / find. symbol-specific links, if it was just a proposal or was made by a separate person from the original coiner, are linked on the plus-signs :)