01079nam a2200265 i 4500991001197329707536050902s2004 nyuab b 001 0 eng d0231126786b13335194-39ule_instDi.S.Te.B.A.eng560.173122The great Ordovician biodiversification event /edited by Barry D. Webby ... [et al.]New York :Columbia University Press,c2004x, 484 p. :ill., maps ;29 cmCritical moments and perspectives in earth history and paleobiologyIncludes bibliographical references (p. 395-466) and indexPaleontologyOrdovicianBiological diversityWebby, B. D..b1333519421-09-0602-09-05991001197329707536LE003 560 WEB01.01 (2004)12003000047349le003pE101.09-l- 00000.i1413908x24-10-05Great Ordovician biodiversification event1092735UNISALENTOle00302-09-05ma -engnyu40