The analterous spectrum, or analterous umbrella, is a group of alterous orientations that fall under the umbrella term of analterous. Individuals on this spectrum may completely lack alterous attraction, may not feel the "standard" amount of this attraction or feel it in the "non-standard" way. Analterous spectrum can be referred to as "analt-spec" for short.
History
The term was already around in the a-spec community, but the page for it was made by Artillery Bombardment on September 24th, 2021.
Flag
The flag was made by Artillery Bombardment on July 8th, 2021 and uploaded on September 24th, 2021. Meanings of the colors aren't known yet.