a1 Department of Geology, University of Leicester, University Road, Leicester LE1 7RH, UK
a2 Department of Paleontology, Natural History Museum, Cromwell Road, London, SW7 5BD, UK
a3 School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth PO1 3QL, UK
a4 Department of Earth Sciences, University of Cambridge, Sedgwick Museum, Downing Street, Cambridge CB2 3EQ, UK
697 taxa of planktonic graptolites are recorded, and their stratigraphical ranges are given, through 60 biozones and subzones in the Ordovician and Silurian strata of England, Wales and Scotland, in the first such stratigraphical compilation for Great Britain since the synthesis of Elles & Wood (1901–1918).
(Received January 02 2008)
(Accepted September 25 2008)
(Online publication September 09 2009)