01433nam a2200337 i 450099100345921970753620021217151305.0961025s1991 uk a b 001 0 eng d0521402425b1181293x-39ule_instLE00301004ExLDip.to Biologiaeng563The Early evolution of Metazoa and the significance of problematic taxa :proceedings of an international symposium held at the University of Camerino, 27-31 March 1989 /edited by Alberto M. Simonetta and Simon Conway MorrisCambridge :Cambridge University Press,1991ix, 296 p. :ill., maps ;31 cmIncludes bibliographical referencesEvolutionCongressesEvolutionary paleobiologyCongressesInvertebrates, FossilCongressesMetazoaCongressesPaleontology, StratigraphicCongressesPhylogenyCongressesConway Morris, SimonSimonetta, Alberto M..b1181293x11-07-1118-12-02991003459219707536LE003 563 SIM01.01 (1991)12003000093223le003-E0.00-l- 00000.i1206186418-12-02Early evolution of Metazoa and the significance of problematic taxa899142UNISALENTOle00301-01-96ma -enguk 41