TY - BOOK AU - Webby,B.D. TI - The great Ordovician biodiversification event T2 - Critical Moments and Perspectives in Earth History and Paleobiology AV - QE726.2 .G74 2004 U1 - 560/.1731 22 PY - 2004/// CY - New York, Chichester, England PB - Columbia University Press KW - Paleontology KW - Ordovician KW - Biodiversity KW - Electronic books N1 - Includes bibliographical references and index UR - https://ebookcentral.proquest.com/lib/bcsl-ebooks/detail.action?docID=908991 ER -