Devonian
Links
The Devonian
http://www.ucmp.berkeley.edu/devonian/devonian.html
An overview of the period from the UC Berkeley Museum of Paleontology.
Devonian Geography
http://vishnu.glg.nau.edu/rcb/Devonian.html
Description and maps of the continents as they existed at the time.
The Red Hill Story
http://www.kcsd.k12.pa.us/~renovohp/dig/story/
A description of this location, with maps showing its position on the Laurussian continent.
Lecanocrinus and Taxocrinus in the Czech Republic
http://www.natur.cuni.cz/~vpetr/Taxocrinus.htm
Detailed description, with references, of 2 Devonian crinoids.
Palaeozoic Forests
http://www.uni-muenster.de/GeoPalaeontologie/Palaeo/Palbot/ewald.html
A description of the colonization of the land by vascular plants and the formation of the first forests in the Devonian.
Dunkleosteus
http://www.amnh.org/home/index.html
An article about one of the most well known Devonian fish.
Sarcopterygii
http://tolweb.org/tree?group=Sarcopterygii&contgroup=Gnathostomata
A cladistic diagram, with extensive references to scientific papers on the subject.
Sarcopterygii
http://www.palaeos.com/Vertebrates/Units/140Sarcopterygii/140.100.html
A description of the lobe-finned fish which first appeared in the early Devonian and had mostly died out by the end of the period.