Clonograptus is a genus of graptolites. Groups of these animals were connected by stalklike structures to a central region. Species of Clonograptus are zone fossils, and can be used to find the precise age of Ordovician rocks.[1]
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Clonograptus".
Except where otherwise indicated, Everything.Explained.Today is © Copyright 2009-2025, A B Cryer, All Rights Reserved. Cookie policy.