1. TAXIC AND PHYLOGENETIC APPROACHES TO UNDERSTANDING THE LATE ORDOVICIAN MASS EXTINCTION AND EARLY SILURIAN RECOVERY Open Access Author: Krug, Andrew Zachary Title: TAXIC AND PHYLOGENETIC APPROACHES TO UNDERSTANDING THE LATE ORDOVICIAN MASS EXTINCTION AND EARLY SILURIAN RECOVERY Graduate Program: Geosciences Keywords: recoverymass extinctionLate Ordoviciandiversity File: Download Andrew_Z._Krug_Dissertation.pdf Committee Members: Mark E Patzkowsky, Committee Chair/Co-ChairTimothy Bralower, Committee MemberChristopher Howard House, Committee MemberPeter Daniel Wilf, Committee MemberAlan Walker, Committee Member