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Species and Speciation in the Fossil Record
The literature of paleobiology is brimming with qualifiers and cautions about using species in the fossil record, or equating such species with those recognized among living organisms. Species and Speciation in the Fossil Record digs through this literature and surveys the recent research on species in paleobiology. In these pages, experts in the field examine what they think species are - in their particular taxon of specialty or more generally in the fossil record. They also reflect on what the answers mean for thinking about species in macroevolution. The first step in this approach is an overview of the Modern Synthesis, and paleobiology’s development of quantitative ways of documentin...
Squid Empire
Before there were mammals on land, there were dinosaurs. And before there were fish in the sea, there were cephalopods-the ancestors of modern squid and Earth's first truly substantial animals. Cephalopods became the first creatures to rise from the seafloor, essentially inventing the act of swimming. With dozens of tentacles and formidable shells, they presided over an undersea empire for millions of years. But when fish evolved jaws, the ocean's former top predator became its most delicious snack. Cephalopods had to step up their game. Many species streamlined their shells and added defensive spines, but these enhancements only provided a brief advantage. Some cephalopods then abandoned th...
Devonian Paleoenvironments of Ohio
Carbonate depositional systems in the Paleozoic geologic time represent fewer studies in paleoecological interactions than the siliciclastic systems. To evaluate this difference, the paleontology of the Middle Devonian Dundee Formation in Ohio has been explored. This geologic formation represents an important environment in the Michigan Basin of North America. Understanding biotic relationships such as mutualism, commensalism, parasitism and predation in an ecological community is important in unraveling the mystery of the fossil record. This research has contributed a large field collection which will be useful in documenting the fossil content of this unit for future workers. Rituparna Bos...
Evolutionary Theory
The natural world is infinitely complex and hierarchically structured, with smaller units forming the components of larger systems: genes are components genomes, cells are building blocks of tissues and organs, individuals are members of populations, which, in turn, are parts of species. In the face of such awe inspiring complexity, scientists need tools like the hierarchy theory of evolution, which provides a theoretical framework and an interdisciplinary research program that aims to understand the way complex biological systems work and evolve. The multidisciplinary approach looks at the structure of the myriad intricate interactions across levels of organization that range from molecules to the biosphere. Evolutionary Theory: A Hierarchical Perspective provides an introduction to the theory, which is currently driving a great deal of research in bioinformatics and evolutionary theory. Written by a diverse and renowned group of contributors, and edited by the founder of Hierachy Theory Niles Eldredge, this work will help make transparent the fundamental patterns driving living sytems.
Identity, Oppression, and Diversity in Archaeology
Identity, Oppression, and Diversity in Archaeology documents how racism, classism, sexism, heterosexism, and ableism affect the demographics of archaeology and discusses how knowledge that archaeologists produce is shaped by the discipline’s demographic homogeneity. Previous research has shown that, like many academic fields, archaeology is numerically dominated by straight white cisgender people, and those in positions of authority are predominantly men. This book examines how and why those demographic trends persist. It also elucidates how individual archaeologists’ social identities shape the research they conduct, and therefore, how our demographics affect and limit our knowledge production on a disciplinary scale. It explains how, through unflinching reflection, proactive policymaking, and sincere community-building, we can build a diverse and inclusive discipline. This book will appeal to archaeologists who have an interest in diversity and inclusion within the discipline as well as scholars in other disciplines who are engaged in research on diversity in academia.
Promoting Equity and Justice Through Pedagogical Partnership
Faculty and staff in higher education are looking for ways to address the deep inequity and systemic racism that pervade our colleges and universities. Pedagogical partnership can be a powerful tool to enhance equity, inclusion, and justice in our classrooms and curricula. These partnerships create opportunities for students from underrepresented and equity-seeking groups to collaborate with faculty and staff to revise and reinvent pedagogies, assessments, and course designs, positioning equity and justice as core educational aims. When students have a seat at the table, previously unheard voices are amplified, and diversity and difference introduce essential perspectives that are too often ...
Glass Ceilings and Ivory Towers
Even as Canadian universities suggest their gender issues have largely been resolved, many women in academia tell a different story. Systemic discrimination, the underrepresentation of women in more senior and lucrative roles, and the belief that gender-related concerns will simply self-correct with greater representation add up to a serious gender problem. Although these issues are widely acknowledged, reliable data is elusive. Glass Ceilings and Ivory Towers fills this research gap with a cross-disciplinary, data-driven investigation of gender inequality in Canadian universities. Research presented in this book reveals, for example, that women are more likely to hold sessional teaching positions and to face difficulties obtaining funding. They are also poorly represented at the upper echelons of the professoriate and must contend with a gender pay gap that widens as they move up the ranks. Contributors consider the daily grind of academic life, social, structural, and systemic challenges, and the gendered dynamics of university leadership, all with an eye to laying the groundwork for practical and meaningful institutional change.
High-Resolution Approaches in Stratigraphic Paleontology
This volume delves into a spectrum of theoretical as well as applied aspects of high-resolution stratigraphic approaches in paleontology. It explores how increasingly detailed knowledge of the fossil record can enhance our understanding of the evolution of life on Earth and also allows geoscientists to address a broad range of important evolutionary and environmental questions in this arena. A 'zipped' version of the program CONOP9 2007 along with read-me files, sample files, and other documentation are available via a web site (see below). An earlier version of CONOP9 was initially supplied with 'High-Resolution Approaches in Stratigraphic Paleontology' (PJ Harries, editor) and described in Chapter 13 of that volume. This is an updated version of the program, and the documentation supplied with this version supersedes the information supplied in that chapter. To view the CONOP9 Programs, click on the link CONOP9 Programs on the right side of this page under Related links.
Cephalopods Present and Past: New Insights and Fresh Perspectives
This book brings together international scientists who focus on present-day and fossil cephalopods, ranging broadly from Paleozoic ammonoids to today's octopods. It covers systematics and evolution; hard- and soft part morphology; and ecology, biogeography, and taphonomy. The book also includes new evidence for the existence of an ink sac in fossil ammonoids and features the first record of an in-depth study of octopus ecology in Alaska.
Ammonoid Paleobiology: From macroevolution to paleogeography
This two-volume work is a testament to the abiding interest and human fascination with ammonites. We offer a new model to explain the morphogenesis of septa and the shell, we explore their habitats by the content of stable isotopes in their shells, we discuss the origin and later evolution of this important clade, and we deliver hypotheses on its demise. The Ammonoidea produced a great number of species that can be used in biostratigraphy and possibly, this is the macrofossil group, which has been used the most for that purpose. Nevertheless, many aspects of their anatomy, mode of life, development or paleobiogeographic distribution are still poorly known. Themes treated are biostratigrap...
