Not exactly sure how to categorize this, but I just don’t think they need to be separate tags.

What you call "merge x and y" is what we call "alias x to y". You can create a formal request here -> https://e621.net/tag_alias_request/new

The spider in the room objects?

(Note, joke, 6-4 is still 6-4)

alphamule said:
The spider in the room objects?

(Note, joke, 6-4 is still 6-4)

we really ought too have a distinct "all limbs amputated" tag that's inclusive of non-quad/bipeds and taurs, though.