Timeline of Devonian research
# Timeline of Devonian research

This timeline of Devonian 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 419.2 to 358.9 million years ago and the legacies of this period in the rock and fossil records.

## 19th century

1844

* Agassiz described the new genus Pterygotus.

1859

* Dawson described the new genus Prototaxites .

1881

* Whiteaves described the new genus Eusthenopteron.

1889

* Newberry described the new genus Stethacanthus.

1894

* Dean described the new genus Cladoselache.

## 20th century

1932

* Säve-Söderbergh described the new genus Ichthyostega.

1937

* W. H. Lang described the new genus Cooksonia.

1952

* Jarvik described the new genus and species Acanthostega gunnari.

1956

* Lehman described the new genus Dunkleosteus.

1968

* Thomson described the new genus Hyneria.

## 21st century

2006

* Daeschler, Shubin & Jenkins described the new genus Tiktaalik.

2010

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