Description
Tornoceras uniangulare
Devonian
Squaw Bay Limestone
Alpena, MI USA.
two 32mm and 21mm goniatites on 103mm slab.
Ammonite. Cephalopod.
Tornoceras is a genus of goniatite ammonite that lived during the Devonian Period. It is known from sites in New York, Michigan, and Ontario, Canada.