How well do you know your fossils?
Fossil 1.0
« Show all
Cryptolithus
Classification:
Phylum:Arthropoda
Subphylum:   Trilobitomorpha
Class:      Trilobita
Order:         Trinucleida
Genus:            Cryptolithus
Details:
 
Stratigraphic age range:

Ordovician

Images:
No images available