- Joined
- Oct 15, 2005
- Messages
- 12,022
Prehistoric Lobsters Made Homes of Ancient Ammonoid Shells [SIZE=-1]Wired News[/SIZE] [SIZE=-1]The shelled cephalopod specimen in question belonged to the species Harpoceras falciferum, and, as in other mollusks, this 180 million year old ammonoid's shell was coated in a thin outer layer called the periostracum. That organic patina was all that ...[/SIZE] [SIZE=-1][/SIZE] [SIZE=-1]http://news.google.com/news/more?pz=1&ned=us&ncl=dRQyQYq5Xy9qwYM[/SIZE] |
More...