Cambrian : Authors

Cambrian page content written and completed by:

bmw & agc -- 11/22/94

Tectonics and Paleoclimate material added 1 May 2000 by:

as part of a Biology 1B project for Section 112, under Brian R. Speer (GSI), who made a number of additions.

Cambrian Life page revised Sept. 2001 by bmw.

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