Cretaceous : Authors

Initial page content written and completed by:

bmw -- 11/26/95
brs -- 3/11/97, graphics; 2/1/98, additional text

Tectonics and Paleoclimate material added 1 May 2000 by:

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

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