Bulletins of American paleontology (Bull. Am. paleontol.) Vol 255256

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BULLETINS OF AMERICAN PALEONTOLOGY VOL LVll 1969- 1970 Paleontological Research Institution Ithaca, New York 14850 U.S.A MU3 COivV.-' 2-0011 LIBRARV APR 27 i970 HARVARD UNlVERSlTYi INDEX No separate index is included in the volume Kach number is indexed separately Contents of the volume are listed in the beginning of the xolume CONTENTS OF VOLUME Bulletin No 255 LVII Plates The Ammonite Fauna Pages of the Kialagvik Formation at Wide Bay, Alaska PeninPart II Sonninia Sowerbyi Zone sula (Bajocian) By Gerd 256 E G Westermann 1-226 1-47 227-321 48-62 New Middle Jurassic Ammonitina from New Guinea By G E G Westermann and T.A.Getty 'z3'-B i'-'JUS BULLETINS OF COMP 200L' dec ' HARVARD AMERICAN *'""'" PALEONTOLOGY Vol 57 No 255 THE AMMONITE FAUNA OF THE KIALAGVIK FORMATION AT WIDE BAY, ALASKA PENINSULA PART II SONNINIA SOWERBYI ZONE (BAJOGIAN) By Gerd E G Westermann 1969 Paleontological Research Institution Ithaca, U New York S A PALEONTOLOGIGAL RESEARCH INSTITUTION 1968 - 1969 William President B Heroy Daniel B Sass Vice-President Rebecca Secretary Arm and Counsel AAAS Representative S Harris Katherine V W Palmer Director, Treasurer L Adams David Nicol Council Trustees Rebecca Daniel Harris (Life) Axel A Olsson (Life) S Katherine V W Palmer (Life) W Storrs Cole (1964-1970) Virgil D B Sass (1965-1971) Kenneth E Caster (1966-1972) Donald W Fisher (1967-1973) William B Heroy Winkler (1969-1975) (1968-1974) BULLETINS OF AMERICAN PALEONTOLOGY and PALAEONTOGRAPHICA AMERICANA Katherine V W Palmer, Editor Mrs Fay Briggs, Secretary Advisory Board Kenneth A Hans Kugler E Caster Jay Glenn Marks Myra Keen Axel A Olsson Complete titles and price of separate available list numbers may be had on application For reprint, Vols 1-23, Bulletins of Kraus Reprint For reprint, vol Corp., 16 East 46th I, Subscription may American Paleontology New see York, N.Y 10017 U.S.A Palaeontographica Americana see Johnson Reprint Cor- poration, 111 Fifth Ave., price of $18.00 per St., New York, N Y 10003 U.S.A be entered at any time by volume or year, with average volume for Bulletins cana invoiced per issue Purchases ductible from income tax Numbers of Palaeontographica in U.S.A for professional For sale by Paleontological Research Institution 1259 Trumansburg Road New York 14850 Ithaca, U.S.A Ameri- purposes are de- BULLETINS OF AMERICAN PALEONTOLOGY (Founded 1895) Vol 57 No 255 THE AMMONITE FAUNA OF THE KIALAGVIK FORMATION AT WIDE BAY, ALASKA PENINSULA PART II SONNINIA SOWERBYI ZONE (BAJOCIAN) By Gerd E G Westermann November 20, 1969 Paleontological Research Institution Ithaca, New York 14850, U.S.A Library of Congress Catalog Card Number: Printed GS in the United States of America Arnold Printing Company 6If-135 CONTENTS Page Abstract Preface Stratigraphy Upper boundary and correlation of the Kialagvik Formation Biostratigraphy of the Kialagvik Formation 17 Erycitoidcs hoivclli Zone 17 Sonninla soivcrbyi Zone 18 Otoites saiizei Zone Faunal relations and ages of the 22 iS" soiverbyi Zone assemblages Conclusions Diversity Fossil 30 and paleolatitude 31 localities Systematic 32 description 36 Repository of types Measurements 22 of Family Phylloceratidae 36 ammonite shells 36 Zittel 36 Genus Phylloceras Suess 36 Genus Partschiccras Fucini 38 Genus Holcophylloccras Spath 40 Family Lytoceratidae Neumayr 42 Genus Lytoccras Suess 42 Family Strigoceratidae Buckman Genus Hcbctoxyites Buckman 44 44 Faiiiil\- Oppeliidae Genus Fainil\- Bunarelli liraJfordiit Hildoceratidae 47 Buckman 48 Hyatt 52 Genus Psi-udoliocnas Buckman 52 Genus Asthcnocrras Buckman 61 Famil\ Ilammatoceratidae Buckman Genus Eudmctoccras Buckman Appendix : /f//4//«/7o
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