Ordovician : Authors

Page content written and completed 11 May 1998 by:

as part of a Biology 1B project for Section 115, under Brian R. Speer (GSI)

Ordovician pages updated to reflect Geological Society of America (GSA) 1999 Geologic Timescale, compiled by A.R. Palmer and J. Geissman
-- S. Rieboldt, Nov. 2002