Fossil record?

Almost 300 million years: Early Cambrian - Late Permian
Large stratigraphic range: Cambrian - Present
Large stratigraphic range: Cambrian - Present
Cambrian - Carboniferous (especially common in Ordovician to Silurian)
Appear in the Cambrian, dominant in the Mesozoic and Cainozoic
Present since, and most abundant during, Palaeozoic
Very long fossil record: Cambrian - Present (useful stratigraphic markers)
Very long fossil record: Cambrian - Present (useful stratigraphic markers)

Author

Anonymous

ID

58782

Card Set

Fossil record?

Description

How long were these fossils around for?

Updated

2011-01-09T16:28:01Z