Landman N.H. Cephalopods from the Cretaceous / Tertiary boundary interval on the Atlantic Coastal Plain, with a description of the highest ammonite zones in North America. Part 2: Northeastern Monmouth County, New Jersey / Landman N.H., Johnson R.O., Edwards L.E. - New York: American Museum of Natural History, 2007. - 122 p. - (Bulletin of the American Museum of Natural History; N 303). - ISSN 0003- 0090  Место хранения:   018 | Институт нефтегазовой геологии и геофизики им. А.А.Трофимука | Новосибирск | Библиотека

Оглавление / Contents

Abstract ........................................................ 5 Introduction .................................................... 6 Methods ......................................................... 7 List of Localities .............................................. 7 Geologic Description ............................................ 9 Iridium Analysis ............................................... 25 Biostratigraphic Analysis ...................................... 33 Stratigraphic Relationships .................................... 40 Origin of the Pinna Layer ...................................... 41 Origin of the Basal Hornerstown Formation ...................... 43 Cretaceous/Tertiary Boundary ................................... 44 Ammonite Ecology ............................................... 47 Ammonites at the Cretaceous/Tertiary Boundary .................. 49 Systematic Paleontology ........................................ 55 Conventions .................................................. 55 Eutrephoceras Hyatt, 1894 .................................... 55 Eutrephoceras dekayi (Morton, 1834) .......................... 55 Pachydiscus Zittel, 1884 ..................................... 57 Pachydiscus (Neodesmoceras) mokotibensis Collignon, 1952 ..... 58 Sphenodiscus Meek, 1871 ...................................... 58 Sphenodiscus lobatus (Tuomey, 1856) .......................... 58 Eubaculites Spath, 1926 ...................................... 64 Eubaculites carinatus (Morton, 1834) ......................... 64 Eubaculites latecarinatus (Brunnschweiler, 1966) ............. 72 Discoscaphites Meek, 1871 .................................... 76 Discoscaphites iris (Conrad, 1858) ........................... 82 Discoscaphites sphaeroidalis Kennedy and Cobban, 2000 ........ 92 Discoscaphites minardi Landman et al., 2004a ................ 100 Discoscaphites gulosus (Morton, 1834) ....................... 106 Discoscaphites jerseyensis, n.sp ............................ 109 Aptychi (lower jaws) ........................................ 110 Acknowledgments ............................................... 110 References .................................................... 111