Clonograptus

Clonograptus
Scientific classification
Kingdom: Animalia
Phylum: Hemichordata
Class: Pterobranchia
Subclass: Graptolithina
Genus: †Clonograptus
Nicholson, 1873

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]

References

  1. ^ "Clonograptus | graptolite genus".
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