xkcd #3204: Dinosaurs And Non-Dinosaurs
Title text:
Staplers are actually in Pseudosuchia, making them more closely related to crocodiles than to dinosaurs.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3204/


Yeah, that’s biology, all right. 😃
Anyway, thanks for the explanation. Never heard of clade grouping before. Is it handy for dealing with long extinct species, or why does such a grouping even exist?