Which begs, the question, how did a lineage of rock stars evolve from one another? I’ve chosen the “wild” branch of the rock-n-roll tree here (Fig. 1), a lineage told in pictures.
Did I miss anyone?
If anyone wants to parallel this lineage with the lineage of feathers in birds, crests in pterosaurs or Longisquama (Fig. 3), be my guest. So far, it seems, no reptile (including humans) have invented anything more exotic than plumage, with the possible exception of wings and flight (Fig. 2). When rockstars go “all out” they seem to move toward more exotic plumage. What goes around (in the Triassic), comes around (in the recent).
Have a rockin’ good day!