Note: the images are AI-assisted illustrations I generated from my own written anatomical description. They illustrate the hypothesis. They are not photographs and not evidence. The text and the argument are mine. I trained in biochemistry and systems biology. I first shared a version of this on r/HighStrangeness, and the comments there were so good, and some of them so tough, that I've rebuilt it here with the strongest objections answered at the end. The short version: I think the beings pe...