Ammonite

Ammonites were sea creatures that exsisted in the Mesozoic era. They looked like the mordern day Nautilis, except they were a bit bigger.

In Real Life
Ammonites were very common creatures that lived about in every ocean there was in the Mesozoic era.They were preyed on by monsterous creatures such as the horrible Platecarpus planifrons, a 25 foot long carnivore that could kill a person with ease.

Episode 1.1
Helen Cutter puts an ammonite on Nick Cutters desk to proove that she is alive (helen loved ammonites). Eventually it dies because it is not in the water.

Episode 2.7
Helen Cutter puts an ammonite on Stephan Harts grave instead of flowers after The Team went to try and find an anomaly that just opened.