fools dare tread on Nostr: So this paper has this genetic tree and it's not the main point of the paper but I ...

So this paper has this genetic tree and it's not the main point of the paper but

I can identify the first 7 clades from their outlines, avians and theropods and sauropods and so on down to triceratops

But what the hell is the bottom outline supposed to be. A 20 meter long slug?

https://mstdn.science/@CurrentBiology/112446770939706290