description Bonnia Overview
Bonnia is an extinct genus of Middle Cambrian trilobites known from marine rocks in North America. Its fossils occur in Laurentian sequences and have been used with other trilobites to compare the relative ages of Cambrian sedimentary layers. Bonnia is of interest to paleontologists studying the evolution of ptychopariid trilobites, as well as to collectors working with Cambrian fossils from the western United States.
help Bonnia FAQ
What is Bonnia?
Bonnia is an extinct genus of Middle Cambrian trilobites. Its fossils are known from marine rocks in North America.
When did Bonnia live?
Bonnia lived during the Middle Cambrian, more than 500 million years ago. It was part of the early marine arthropod communities represented by trilobite fossils.
Where are Bonnia fossils found?
Bonnia fossils occur in Laurentian sequences in North America. Laurentia was the ancient continental region that included much of what is now North America.
Why is Bonnia useful in geology?
Its fossils are used with other trilobites to compare the relative ages of Cambrian sedimentary layers. That helps geologists match rock sequences even when exact numerical dates are unavailable.
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