Ammonite

Extinct group of marine animals. They have been used as index fossils because it is possible to link the rock layer in which they are found to specific geological time periods. Because these animals and their close relatives are extinct little is known about their way of life.

 
Location: Madagascar
Geologic Time Period: Mesozoic Era: 250 - 265 million years ago
Dimensions: 2?" x 2¼" x ¾"
Price: $128.00