Field Guide to Butterflies of the San Francisco Bay and Sacramento Valley Regions. California Natural History Guides, Number 92. By Arthur M Shapiro; illustrated by, Timothy D Manolis. Berkeley (California): University of California Press. $50.00 (hardcover); $18.95 (paper). xiv + 345 p + 31 pl; ill.; index. ISBN: 978-0-520-24469-6 (hc); 978-0-520-24957-8 (pb). 2007.
Keyword(s):
The Purisima Formation and related rocks (upper Miocene - Pliocene), greater San Francisco Bay area, central California; review of literature and USGS collection now housed at the Museum of Paleontology, University of California, Berkeley