Evolutionary Classification and English-Based Nomenclature in Cretaceous Planktic Foraminifera

M. Dan Georgescu, PhD and Charles M. Henderson (Editors)
Department of Geosciences, University of Calgary, Calgary, Alberta, Canada

Series: Earth Sciences in the 21st Century

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In this book, evolutionary classification and nomenclature in the Cretaceous planktic foraminifera with at least one stage with chambers alternately added with respect to the test growth axis are analyzed in seven articles. The first article in this book presents new data about the group’s evolutionary origin and different aspects of the iterative evolution of the planktic habitat in the foraminiferal history, together with a critical review of some past ideas on this topic. A new benthic foraminiferal genus is described. The evolution of different lineages is presented in five successive articles, which show the importance of high resolution data in reconstructing the group’s evolutionary history. Four new lineages are described.

A new perspective on the classification of the planktic foraminifera is presented in the last article, where at the scale of the entire group a new and upward evolutionary classification, is applied. The fundamental unit of organization is changed from species to lineage through a shift at paradigm level in understanding the evolution of the fossil record. In further developments in evolutionary classification, a new nomenclature system is applied. The new nomenclature uses English instead of Latin and has a rate of compression of around 1:18 (one English word for 18 Latin words). (Imprint: Nova)

Preface

Part 1: Lineage Revisions in Evolutionary Classification

Chapter 1 - New Data and Insights on the Polyphyletic Origin of the Cretaceous Planktic Foraminifera (pp. 3-26)
M. Dan Georgescu, Randall M. Burke and Caterina J. Heikkinen (Department of Geosciences, University of Calgary, Calgary, Alberta, Canada)

Chapter 2 - Reinstatement of the Cretaceous Planktic Foraminifer Bronnimannella Montanaro Gallitelli 1956 As Directional Lineage in Evolutionary Classification (pp. 27-38)
M. Dan Georgescu (Department of Geosciences, University of Calgary, Calgary, Alberta, Canada)

Chapter 3 - New Late Cretaceous (Santonian-Maastrichtian) Heterohelicid Planktic Foraminifera from the Pacific and Indian Oceans and Their Biostratigraphic and Evolutionary Significance (pp. 39-72)
M. Dan Georgescu (Department of Geosciences, University of Calgary, Calgary, Alberta, Canada)

Chapter 4 - Taxonomic Revision of Planoglobulina Cushman 1927 As Directional Lineage in Evolutionary Classification (pp. 73-92)
M. Dan Georgescu (Department of Geosciences, University of Calgary, Calgary, Alberta, Canada)

Chapter 5 - Evolution of Central Perforate Plate in the New Condensed Lineage Eicheriella (pp. 93-100)
M. Dan Georgescu (Department of Geosciences, University of Calgary, Calgary, Alberta, Canada)

Chapter 6 - Evolution and Evolutionary Classification of the Late Campanian-Maastrichtian Planktic Foraminifera That Evolved Multiplane Chamber Proliferation (Pseudotextularia and Racemiguembelina) (pp. 101-126)
M. Dan Georgescu (Department of Geosciences, University of Calgary, Calgary, Alberta, Canada)

Part 2: Evolutionary Classification Fundaments and the Development of a New English-Based Nomenclature

Chapter 7 - Evolutionary Classification and Nomenclature of the Cretaceous Planktic Foraminifera with the Chambers Alternately Added with Respect to the Test Growth Axis (pp. 129-252)
M. Dan Georgescu (Department of Geosciences, University of Calgary, Calgary, Alberta, Canada)

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