It's less than 2cm long, but this 400 million year old fossil fish changes our view of vertebrate evolution
https://phys.org/news/2018-05-2cm-million-year-fossil-fish.html
Why are we so excited about discovering the structure of an ancient fish skull? Because Ligulalepis sits in a very important position in the vertebrate evolutionary tree.
Fishes are the most diverse group of backboned animals (vertebrates) on the planet, with roughly 30,000 known species.
It's less than 2cm long, but this 400 million year old fossil fish changes our view of vertebrate evolution
May 30, 2018, 1:51pm UTC
https://phys.org/news/2018-05-2cm-million-year-fossil-fish.html
> Why are we so excited about discovering the structure of an ancient fish skull? Because Ligulalepis sits in a very important position in the vertebrate evolutionary tree.
> Fishes are the most diverse group of backboned animals (vertebrates) on the planet, with roughly 30,000 known species.