Fossil Fish | Eocene Period | Green River Formation, USA | 40–70mm CERAMBYCIDAE use in biology and entomology
Baker’s notes & crumb story
Description
Fossil Fish Eocene Period Green River Formation, USA 40–70mm CERAMBYCIDAE use in biology and entomology use in biology and entomology teaching collections each half exposes the intricate septa and suture lines that divided the shell into a series of gas filled chambers — the buoyancy system that allowed the animal to control its depth in the water column