The Paleontology of North America
Introduction
Time and Space
Fossil Gallery
Lycophytes from North America
See images from the:
Quaternary
Tertiary
Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Precambrian
Lepidodendron
From the Carboniferous in California
© 2004 UCMP
Sigillaria
From the Carboniferous in Indiana
© 2004 Indiana State Museum, Indiana Geological Survey, and Indiana University
Stigmaria
From the Carboniferous in West Virginia
© 2000 West Virginia Geological and Economic Survey