Table of Contents

Contributors
Foreword: Why and How to Do Problematica
1: Introduction: The Problem of the Problematica
2: The Puzzle of Alga-Like Problematica or Rummaging Around in the Algal Wastebasket
3: Receptaculitids and Their Relationship to Other Problematic Fossils
4: Radiocyathids
5: Considerations on Systematic Placement of the Styliolines (Incertae Sedis: Devonian)
6: Precambrian Problematic Animals: Their Body Plan and Phylogeny
7: Chondrophorine Hydrozoans as Problematic Fossils
8: Problematica of the Early Cambrian
9: The Cambrian Net-Like Fossil Microdictyon
10: Turrilepadida and Other Machaeridia
11: The Phylum Conulariida
12: Early Stromatoporoids
13: Problematica from the Middle Cambrian Burgess Shale of British Columbia
14: The Enigma of Graptolite Ancestry: Lesson from a Phylogenetic Debate
15: Conodonts
16: Chordate Affinities of the Conodonts
Author Index; Subject Index

Reviews

"Well produced, with very good illustrations and three types of index. Paleontologists should be acquainted with this book and it deserves to be in every geological departmental library." --Geology Magazine