Freshwater Mussels Pacific Northwest - The Xerces Society

CONTENTS
Introduction to Freshwater Mussels........................1
Basic Anatomy.........................................................2
Life Cycle.................................................................3
Habitat....................................................................6
Role in Ecosystems...................................................7
Diversity and Distribution.........................................8
Mussels as Biomonitors............................................9
Conservation and Management.............................10
Searching for Mussels............................................12
Field Guide..............................................................15
Identification.........................................................15
Key Terms..............................................................16
Anodonta Taxonomy..............................................17
Anodonta General Account...................................19
Anodonta Clade 1.................................................23
Anodonta Clade 2.................................................26
Yukon Floater.........................................................29
Western Pearlshell..................................................31
Western Ridged Mussel..........................................36
Other Aquatic Bivalves...........................................40
Literature Cited.......................................................43