Rendiconti della Società Paleontologica Italiana SUPPLEMENTO AL BOLLETTINO DELLA SOCIETÀ PALEONTOLOGICA ITALIANA, VOL. 48, N. 1 SOCIETÀ PALEONTOLOGICA ITALIANA MODENA - 2009 TIME AND LIFE IN THE SILURIAN: A MULTIDISCIPLINARY APPROACH SUBCOMMISSION on SILURIAN STRATIGRAPHY in SARDINIA Fieldmeeting 4 - 11 June 2009 S 4 Time and life in the Silurian: a multidisciplinary approach Subcommission on Silurian Stratigraphy Field Meeting 2009 Abstracts