Part I: Phylogeny and Systematics\n1. Phylogenetic Practices among Scholars of Fossil Cephalopods, with Special Reference to Cladistics\nPascal Neige, Isabelle Rouget, and Sebastien Moyne 2. Patterns of Embryonic Development in Early to Middle Devonian Ammonoids\nSusan M. Klofak, Neil H. Landman, and Royal H. Mapes 3. Mode of Life of the Frasnian (Late Devonian) Ammonoid Manticoceras from Coumiac (Montagne Noire, France)\nDieter Korn and Christian Klug 4. GONIAT - The Current State of the Paleontological Database System on Paleozoic Ammonoids\nJürgen Kullmann 5. Ornamental polymorphism in Placenticeras kaffrarium (Ammonoidea; Upper Cretaceous of India): Evolutionary implications\nTapas K. Gangopadhyay and Subhendu Bardhan 6. A Late Carboniferous Coleoid Cephalopod from the Mazon Creek Lagerstätte (USA), with a Radula, Arm Hooks, Mantle Tissues, and Ink\nLarisa A. Doguzhaeva, Royal H. Mapes, and Harry Mutvei 7. On the Species Status of Spirula spirula (Linné, 1758) (Cephalopoda): A New Approach Based on Divergence of Amino Acid Sequences between the Canaries and New Caledonia\nKerstin Warnke Part II: Morphology of Soft and Hard Tissues\n8. Understanding Ammonoid Sutures: New Insight into the Dynamic Evolution of Paleozoic Suture Morphology\nEmily G. Allen 9. Cameral Membranes in Carboniferous and Permian Goniatites: Description and Relationship to Pseudosutures\nKristin Polizzotto, Neil H. Landman, and Royal H. Mapes 10. Soft-Tissue Attachment of Middle Triassic Ceratitida from Germany\nChristian Klug, Michael Montenari, Hartmut Schulz, and Max Urlichs 11. The Preservation of Body Tissues, Shell, and Mandibles in the Ceratitid AmmonoidAustrotrachyceras (Late Triassic), Austria\nLarisa A. Doguzhaeva, Royal H. Mapes, Herbert Summesberger, and Harry Mutvei 12. Connecting Ring Ultrastructure in the Jurassic Ammonoid Quenstedtoceras with Discussion on Mode of Life of Ammonoids\nHarry Mutvei and Elena Dunca 13. Jaws and Radula of Baculites from the Upper Cretaceous (Campanian) of North America\nNeil H. Landman, Neal L. Larson, and William A. Cobban 14 Ultrastructure Analyses on the Conotheca of the Genus Belemnotheutis (Belemnitida: Coleoidea)\nDirk Fuchs, Helmut Keupp, Vasilij Mitta, and Theo Engeser Part III: Biogeography, Biostratigraphy, Ecology, and Taphonomy\n15. New Data on the Clymeniid Faunas of the Urals and Kazakhstan\nSvetlana Nikolaeva 16. Deformities in the Late Callovian (Late Middle Jurassic) Ammonite Fauna from Saratov, Russia\nNeal L. Larson 17. Biogeography of Kutch Ammonites During the Latest Jurassic (Tithonian) and a Global Paleobiogeographic Overview\nSubhendu Bardhan, Sabyasachi Shome, and Pinaki Roy 18: Ammonite Touch Marks in Upper Cretaceous (Cenomanian-Santonian) Deposits of the Western Interior Seaway\nNeil H. Landman and William A. Cobban 19: Some Data on the Distribution and Biology of the Boreal Clubhook Squid Moroteuthis robusta (Verrill, 1876) (Onychoteuthidae, Teuthida) in the Northwest Pacific\nAlexei M. Orlov 20: Habitat Ecology of Enteroctopus dofleini from Middens and Live Prey Surveys in Prince William Sound, Alaska\nD. Scheel, A. Lauster, and T.L.S. Vincent