“THE EVOLUTION OF A SHELL. In the second process, the aperture shape evolves, producing ornamentation such as ribs or spines on the shell surface.”
https://lnkd.in/dSJZzWB
“THE EVOLUTION OF A SHELL. In the second process, the aperture shape evolves, producing ornamentation such as ribs or spines on the shell surface.”
https://lnkd.in/dSJZzWB