B. Gudveig Baarli is the author of Orthacean and Strophomenid Brachiopods from the Lower Silurian of the Central Oslo Region, published by Wiley.

• Introduction 3Study Area and Stratigraphy, Geological Setting of the Central Oslo Region, Brachiopod Taxonomy and Terminology, and Research ObjectivesSystematic Paleontology 8Discussion Faunal Composition and Evolutionary Trends, Paleoecological Implications, Biostratigraphic Significance, and Comparison with Other Lower Silurian Brachiopod Faunas 9-51References 52 Plates 56

B. Gudveig Baarli is the author of Orthacean and Strophomenid Brachiopods from the Lower Silurian of the Central Oslo Region, published by Wiley.

• Introduction 3Study Area and Stratigraphy, Geological Setting of the Central Oslo Region, Brachiopod Taxonomy and Terminology, and Research ObjectivesSystematic Paleontology 8Discussion Faunal Composition and Evolutionary Trends, Paleoecological Implications, Biostratigraphic Significance, and Comparison with Other Lower Silurian Brachiopod Faunas 9-51References 52 Plates 56

B. Gudveig Baarli is the author of Orthacean and Strophomenid Brachiopods from the Lower Silurian of the Central Oslo Region, published by Wiley.

• Introduction 3Study Area and Stratigraphy, Geological Setting of the Central Oslo Region, Brachiopod Taxonomy and Terminology, and Research ObjectivesSystematic Paleontology 8Discussion Faunal Composition and Evolutionary Trends, Paleoecological Implications, Biostratigraphic Significance, and Comparison with Other Lower Silurian Brachiopod Faunas 9-51References 52 Plates 56