Roger Cooper
GNS Science
PO Box 30-368
Lower Hutt
New Zealand

Roger Cooper is Emeritus Research Scientist at GNS Science in Lower Hutt. His research ranges over macroevolution, systematics, stratigraphy, regional structure and tectonics. He led a comprehensive revision of the New Zealand Geological Timescale. With Peter Sadler a new method using CONOP analysis was developed for calibration of the global geochronological scale that greatly improved precision. The CONOP method has also been applied to basin analysis and graptolite macroevolution. The high level evolution and classification of Ordovician non-biserial graptoloids (with Richard Fortey) has now given way to investigation of graptolite ecology. The macroevolutionary rates and biodiversity of New Zealand Cenozoic molluscs is a recent diversion. Meantime, New Zealand and Antarctic biostratigraphy, and terranes get squeezed in around the edges.