VIRTUAL GALLERY

Early Signs of Life
1:1		Banded Iron Formation
1:2		Stromatolites
1:3		Oncolites
Silurian Microfossils
1:4		Spore tetrad from the Lower Silurian of Pennsylvania.
Silurian Devonain Terrestrial Algae and Problematica
1:5		Manitobia patula thallus from the Ordovician of Canada.
1:6		Parka decipiens impression from the Devonian of Scotland.
1:7		Prototaxites thinsection from the Devonain of Maine.
1:8		Protosalvinia furcata compressed thalli from the Devonian of Kentucky.
1:9		Protosalvinia thalli from the Devonian of Kentucky.
The Earliest Known Vascular Plant...
1:10		Cooksonia hemisphaerica compression from the Devonian of Great Britain.
1:11		Cooksonia ultimate sprangia; compression.
The Rhynie Flora
1:12		Rhynie Chert
1:13		Aglaophyton major transverse section of axis; Rhynie Chert, Devonian.
1:14		Horneophyton lignieri sporangia in longitudinal section; Rhynie Chert, Devonian.