13.1 Introduction

13.1.1 The First Molluscs?

13.1.2 Shell Morphology

13.1.2.1 Beyond Shell Morphology

13.1.2.2 Muscle Scars

13.1.3 Phylogenetics and Fossils

13.2 Originations, Extinctions, and Recoveries

13.3 The Molluscan Fossil Record

13.3.1 Ediacaran

13.3.2 Cambrian

13.3.2.1 Biomineralisation

13.3.2.2 Taxa

13.3.3 Ordovician

13.3.3.1 Taxa

13.3.4 Silurian

13.3.4.1 Taxa

13.3.5 Devonian

13.3.5.1 Taxa

13.3.6 Carboniferous

13.3.6.1 Taxa

13.3.7 Permian

13.3.7.1 Extinction

13.3.7.2 Taxa