Graptolites lived in the earth’s oceans from 540 million years ago to 320 million years ago, when they became extinct. The book provides a summary of the state of knowledge relating to graptolites, and the specialists, who contribute to the book, also address the biological questions raised by these fossils, and provide pointers for further research.
The graptolites constitute one of the geologically most useful taxonomic groups of fossils for dating rock successions, understanding paleobiogeography and reconstructing plate tectonic configurations in the Lower Palaeozoic.
This small, yet informative, booklet takes you on a four-mile walk to 13 sites and through 15 million years of Earth history. The Mortimer Forest Trail is a geology trail in Shropshire that is famous for its outstanding fossils and varied geology. The trail mostly examines Silurian formations such as the Wenlock and Ludlow series.