Timeline of Silurian research
# Timeline of Silurian research

This timeline of Silurian research is a chronological listing of events in the history of geology and paleontology focused on the study of Earth during the span of time lasting from 443.4–419.2 million years ago; the Silurian, and the legacies of this period in the rock and fossil records.

## 19th century

1825

* De Kay described the new genus Eurypterus

1835

* Roderick Murchison proposes the Silurian period based on outcrops in Wales and publishes On the Silurian and Cambrian Systems, Exhibiting the Order in which the Older Sedimentary Strata Succeed each other in England and Wales with Adam Sedgwick

1844

* Agassiz described the new genus Pterygotus

1859

* Dawson described the new genus Prototaxites

## 20th century

1937

* W. H. Lang described the new genus Cooksonia

1972

* Kjellesvig-Waering described the new genus Brontoscorpio

## 21st century

2010

* Gonez and Gerrienne emended genus Cooksonia described by W. H. Lang in 1937
