4.7" Cruziana (Fossil Trilobite Trackway) - Morocco

This is a fossil trackway (Cruisina) plate of an arthropod, likely a trilobite, from near Erfoud, Morocco. This Cruziana has a number of trackways preserved in a slab of mudstone and would be Ordovician in age or approximately 450 million years old. The longest trackway is 4.7" long

Trilobites were a very diverse group of extinct marine arthropods. They first appeared in the fossil record in the Early Cambrian (521 million years ago) and went extinct during the Permian mass extinction (250 million years ago). They were one of the most successful of the early animals on our planet: over 25,000 species have been described, filling nearly every evolutionary niche. Due in large part to their hard exoskeletons (shells), they left an excellent fossil record.


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DETAILS
SPECIES
Unidentified
LOCATION
Erfoud, Morocco
SIZE
Longest Trackway 4.7", Rock 8.9 x 5.5"
ITEM
#118288
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