description Ptychaspis Overview
Ptychaspis is a genus of Late Cambrian trilobites from North America. It belongs to the family Ptychaspididae and is associated with the ptychaspidid trilobites, a group used in the classification of later Cambrian fossils. The genus also gives its name to the Ptychaspid biomere, a biostratigraphic concept used to describe a recognizable interval of Cambrian fossil succession and to compare the timing and distribution of trilobite faunas.
help Ptychaspis FAQ
What is Ptychaspis?
Ptychaspis is a genus of Late Cambrian trilobites known from North America. It belongs to the family Ptychaspididae, a group used in classifying later Cambrian trilobites.
What is the Ptychaspid biomere?
The Ptychaspid biomere is a biostratigraphic interval associated with ptychaspidid trilobites in the later Cambrian. It helps geologists correlate rocks of similar age using fossil assemblages.
When did Ptychaspis live?
Ptychaspis lived during the Late Cambrian, before the Ordovician Period began. Its fossils therefore belong to the final part of the Cambrian fossil record.
Where have Ptychaspis fossils been found?
The genus is associated with Late Cambrian rocks of North America. A precise location depends on the species and formation being discussed.
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