00952nam a2200253 i 4500991001556659707536030415s1992 nyu 000 0 eng d071672488Xb12164069-39ule_instDip.to Biologiaeng576.8422Ward, Peter Douglas451019On Methuselah's trail :living fossils and the great extinctions /Peter Douglas Ward New York :W.H. Freeman,c1992xii, 212 p. :ill. ;25 cmIncludes bibliographical references and indexLiving fossilsExtinction (Biology).b1216406909-09-1115-04-03991001556659707536LE003 576.8 WAR01.01 (1992)12003000040005le003-E0.00-l- 00000.i1250100115-04-03On Methuselah's trail147484UNISALENTOle00315-04-03ma -engnyu01