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ПАЛЕОНТОЛОГИЧЕСКИЙ ЖУРНАЛ, 2008, № 5, с. 18-26 УДК 564.5:551.76(477.9) ПРЕДСТАВИТЕЛИ СЕМЕЙСТВА BOCHIANITIDAE (AMMONOIDEA) ИЗ НИЖНЕГО МЕЛА ГОРНОГО КРЫМА © 2008 г. В. В. Аркадьев Санкт-Петербургский государственный университет e-mail: [email protected] Поступила в редакцию 10.04.2007 г. Принята к печати 21.06.2007 г. Приведены результаты ревизии гетероморфньгх аммонитов семейства Bochianitidae из нижнего ме­ ла Горного Крыма. Автором подтверждена валидность рода Janenschites, выделенного из рода Bo- chianites. Из берриаса Горного Крыма описаны виды Bochianites neocomiensis (d'Orbigny), В. goubech- ensis Mandov, В. levis sp. nov. и В. crymensis sp. nov., из нижнего баррема - виды Janenschites oosteri (Sarasin et Schondelmayer) и J. incisus sp. nov. Бохианиты, появившись в начале берриаса в южных обла­ стях (Африка, Крым), в валанжине и готериве распространились в северные районы Западной Европы. Гетероморфные аммониты рода Bochianites тарктиды (Kelly, 1995; Lomas, 1999) и Новой Гви¬ редко встречаются в нижнемеловых отложениях неи (Benson, 1923). Горного Крыма. До настоящего времени из этого В последнее время вид В. cf. neocomiensis най­ региона было описано лишь два вида - Bochianites ден в пограничных отложениях валанжина - готе- oosteri и В. neocomiensis (Каракаш, 1907). Между рива Большого Кавказа (Захаров и др., 2006). тем, представители этого рода занимают значи¬ Крымские бохианиты после Н.И. Каракаша тельное место в нижнемеловых (в частности (1907) никем не изучались. Этот исследователь верхневаланжинских) аммонитовых комплексах виды B. neocomiensis и В. oosteri определил и опи¬ западной части Тетической области (Сесса, 1998; сал из красных известняков разреза на р. Кача в Lukeneder, 2005). Географическое распростране¬ Горном Крыму. Е.Ю. Барабошкин (1997) данный ние рода Bochianites чрезвычайно широкое. Впер¬ стратиграфический интервал относит к зоне Spit- вые род выделен на материале из валанжина idiscus hugii нижнего баррема, в дальнейшем пе¬ Франции (Lory, 1898). В дальнейшем он был опре¬ реименованной в зону Taveraidiscus hugii (Reboulet делен и описан из многих районов Западной Ев¬ et al., 2006). В результате ревизии автором кол¬ ропы (см. синонимику вида Bochianites neocomien- лекции Каракаша, хранящейся в стратиграфо-па- sis), из Южной Африки (Kitchin, 1908), Туниса (Ar- леонтологическом музее кафедры динамической nould-Saget, 1953), с Мадагаскара (Collignon, 1962) и исторической геологии Санкт-Петербургского и с островов Сулу в Индонезии (Boehm, 1904). В государственного университета (СПбГУ), уста¬ публикациях западноевропейских исследовате¬ новлено, что описанные им виды бохианитов об¬ лей фигурируют в основном два вида - В. neo- ладают очень сложно рассеченной лопастной ли¬ comiensis и В. oosteri, причем первый отмечается нией и могут быть отнесены к роду Janenschites, преимущественно из верхнего валанжина, второй - выделенному из рода Bochianites (Durand-Delga, из верхнего валанжина - нижнего готерива (Ман- 1954). дов, 1971; Immel, 1987; Lukeneder, 2004а, b, 2005). Несколько видов бохианитов определено и опи­ Нами (Аркадьев и др., 2005) отмечено присут¬ сано из Мексики (Imlay, 1937; Cantu-Chapa, 1976) и ствие Bochianites sp. в отложениях берриасской Калифорнии (Anderson, 1938, 1945). зоны jacobi в бассейне р. Тонас. В распоряжении автора имеется небольшая (14 экз.) коллекция В Бореальной области бохианиты описаны из представителей этого рода, собранная в Горном валанжина о-ва Бегичева на севере Сибири (Бо- Крыму В.В. Друщицем, Т.Н. Горбачик, В.М. Не- дылевский, 1960). Н.И. Шульгина (1985) опреде­ роденко и Т.Н. Богдановой и любезно переданная лила их с этого же стратиграфического уровня. автору Богдановой. Материал плохой сохранно¬ В.А. Захаров и М.А. Рогов (2006) указали на при­ сти - это преимущественно фрагменты ядер, ча¬ сутствие Bochianites cf. glennensis Anderson в зоне сто сдавленные и замещенные породой. Начальные kochi рязанского яруса на п-ове Нордвик (море части раковин не сохранились. Тем не менее, в ряде Лаптевых). случаев удалось наблюдать особенности строения лопастной линии. Все крымские бохианиты най¬ К сожалению, в некоторых районах Земли род дены в глинистых пачках разрезов берриаса Цен¬ Bochianites зафиксирован формально, без указа¬ трального, Восточного Крыма и бассейна р. То- ния видов и их описания, что не позволяет оце­ нас (рис. 1). Большинство изученных экземпля¬ нить достоверность находок. Это касается Ан- ров происходит из подзоны grandis зоны jacobi 18 ПРЕДСТАВИТЕЛИ СЕМЕЙСТВА BOCHIANITIDAE (AMMONOIDEA) 19 Рис. 1. Схема расположения изученных разрезов берриасских отложений, в которых встречены бохианитиды: 1 - Фе­ одосия, мыс Святого Ильи, пос. Султановка, Наниково, Баракольская долина; 2 - р. Тонас, пос. Красноселовка; 3 - бассейн р. Сары-Су. берриаса (они встречены вместе с представителя­ верхний валанжин - нижний готерив Швейцарии, ми родов Pseudosubplanites, Berriasella, Delphinel- Кавказа (?); В. ambikyensis Collignon - валанжин la). Лишь некоторые экземпляры, происходящие Мадагаскара; В. baculitoides Arnould-Saget - титон, из бассейна р. Сары-Су Центрального Крыма, берриас Туниса; В. glaber Kitchin - валанжин, го- найдены на более высоких уровнях берриаса - в терив (?) Южной Африки; В. weteringi Boehm и слоях с Euthymiceras и Neocosmoceras, относимых В. versteeghi Boehm - берриас (?) островов Сулу к зоне boissieri (Аркадьев и др., 2006a). (Индонезия); В. nodosocostatus Mandov - верхний Описанные в статье коллекции хранятся в валанжин Болгарии; В. goubechensis Mandov - ЦНИГРмузее (№ 13169) и палеонтолого-страти- берриас (зона jacobi) Крыма; верхний валанжин графическом музее СПбГУ (№ 103, коллекция Болгарии, Англии, Франции; В. thieuloides Cantu- Н.И. Каракаша). Автор благодарен Т.Н. Богда¬ Chapa - верхний валанжин Мексики; В. pasken- новой за предоставленный материал, просмотр taensis Anderson - берриас (?), валанжин Калифор¬ рукописи статьи и критические замечания. нии; В. glennensis Anderson - титон (?) Калифор¬ нии; берриас (зона kochi) севера Сибири; В. renev- ieri Ooster - нижний баррем Швейцарии; В. levis СИСТЕМАТИЧЕСКОЕ ОПИСАНИЕ sp. nov. - берриас (зона boissieri, слои с Euthy- СЕМЕЙСТВО BOCHIANITIDAE SPATH, 1922 miceras и Neocosmoceras) Крыма; берриас Туниса; валанжин Чехии; верхний валанжин - нижний го- ПОДСЕМЕЙСТВО BOCHIANITINAE SPATH, 1922 терив Болгарии, Австрии, Швейцарии, о-ва Май¬ Род Bochianites Lory, 1898 орка; В. crymensis sp. nov. - берриас (зона jacobi) Типовой вид - Baculites neocomiensis d'Or- Крыма. bigny, 1840; валанжин Франции. Сравнение. От родов Kabylites, Janenschites, Диагноз. Раковина прямая, гладкая или реб­ Baculina отличается строением лопастной линии. ристая. Сечение округленно-овальное, несколько От рода Baculites отличается трехветвистой пер¬ вытянутое в вентро-дорсальном направлении. вой боковой лопастью. Ребра простые, на боковой стороне наклонены Замечания. М. Дюран-Делга (Durand-Del- вперед, на вентральной образуют дугообразный ga, 1954), основываясь на различиях в строении изгиб вперед, на дорсальной ослабевают и исчеза­ лопастной линии, отделил от рода Bochianites два ют. В лопастной линии отчетливо выделяются новых рода - Kabylites и Janenschites (рис. 2). три главные слаборассеченные лопасти - V, L, D Й. Видман (Wiedmann, 1962) считал такое разде¬ и дополнительные лопасти на вершинах седел. ление родов недостаточно обоснованным. В по¬ Видовой состав. B. neocomiensis (d'Orbig- следнем издании "Третиса" (Wrigth et al., 1996) оба ny) - берриас Крыма; валанжин Чехии; верхний рода - Kabylites и Janenschites - признаны самосто­ валанжин Польши, Болгарии, Германии, Англии, ятельными. Автор придерживается такой же точ­ Испании, Франции, Австрии, севера Сибири (?); ки зрения. Естественно, что без получения пол- ПАЛЕОНТОЛОГИЧЕСКИЙ ЖУРНАЛ № 5 2008 2* 20 АРКАДЬЕВ е б Рис. 2. Лопастные линии родов Bochianites, Kabylites и Janenschites (из Durand-Delga, 1954): a - Bochianites neocomiensis (d'Orbigny) при Д = 4.0 мм; б - Kabylites superstes (Pervinquiere) при Д = 4.5 мм; в - Janenschites janenschi (Zwierzycki) при Д = 6.0 мм. ных сведений о морфогенезе раковины всех трех родов их валидность будет оставаться под сомне­ нием (данные о начальных стадиях роста ракови­ ны и развитии их лопастной линии отсутствуют). Сравнение лопастных линий аммонитов объ­ ективно можно проводить только на одинаковых стадиях роста (т.е. с привязкой к номеру оборота). Ввиду того, что неизвестны целые раковины ука­ занных родов, необходимо сравнивать хотя бы при одинаковых диаметрах. Из-за фрагментарно¬ сти материала даже такое сравнение провести трудно. Лопастные линии изученных автором берриасских бохианитов Горного Крыма, зарисо­ ванные в основном при Д = 4.6-6.8 мм (рис. 3), близки к таковым западноевропейских Bochian- ites при схожих диаметрах (рис. 4) (d'Orbigny, Рис. 3. Лопастные линии видов родов Bochianites и 1840-1842; Durand-Delga, 1954; Мандов, 1971; Janenschites: a - Bochianites sp., экз. № 14/13169 при Vasi c ek, 1999). Эти линии слабо зазубрены, с ши¬ Д = 15.0 мм; Восточный Крым, Феодосия, мыс Свято­ рокими седлами и маленькими вспомогательны¬ го Ильи; берриас, зона jacobi, подзона grandis; б - B. neocomiensis (d'Orbigny), экз. № 4/13169 при Д = ми лопастями на вершинах седел. Лопастная ли­ 1 ния описанного Н.И. Каракашем В. oosteri при = 6.8 мм, Д2 = 6.0 мм; Центральный Крым, р. Сары- Су; берриас, зона boissieri; в, г - B. levis sp. nov.; б - го- Д = 7.7 мм из нижнего баррема Горного Крыма лотип № 9/13169 при Д1 = 5.2 мм, Д2 = 4.6 мм; место­ очень похожа на линию Janenschites janenschi нахождение и возраст те же; в - экз. № 10/13169 при (Zwierzycki)
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    A NEW TITHONIAN AMMONOID FAUNA FROM KURDISTAN, NORTHERN IRAQ BY L. F. SPATH, F.R.S. Pp• 93-146; Pis. 6-10 BULLETIN OF THE BRITISH MUSEUM (NATURAL HISTORY) GEOLOGY Vol. 1 No. 4 LONDON : 1950 THE BULLETIN OF THE BRITISH MUSEUM (NATURAL HISTORY), instituted in 1949, is to be issued in five series, corresponding to the Departments of the Museum. Parts will appear at irregular intervals as they become ready. V olumes will contain about three or four hundred pages, and will not necessarily be completed within one calendar year. This paper is Vol. i, No. 4, of the Geological series. PRINTED BY ORDER OF THE TRUSTEES OF THE BRITISH MUSEUM Issued August 1950 Price Ten Shillings A NEW TITHONIAN AMMONOID FAUNA FROM KURDISTAN, NORTHERN IRAQ By L. F. SPATH , F.R.S. CONTENTS I. INTRODUCTION . 96 II. STRATIGRAPHICAL SUMMARY 96 III. SYSTEMATIC DESCRIPTIONS 97 Family Oppelidae Haug . 97' Sub-Family Streblitinae Spath . 97 Genus Oxylenticeras gen. nov. 97 Oxylenticeras lepidum sp. nov. 99 Family Haploceratidae Zittel . 100 Genus Glochiceras Hyatt . 100 Glochiceras (?) sp. juv. ind. 100 Glochiceras (?) sp. nov. 101 Genus Pseudolissoceras Spath . 101 Pseudolissoceras zitteli (Burckhardt) 101 Pseudolissoceras advena sp. nov. 102 Genus Lamellaptychus Trauth . 104 Lamellaptychus sp. ind. 104 Family Perisphinctidae Hyatt . 104 Sub-Family Virgatosphinctinae Spath . 104 Genus Phanerostephanus gen. nov. 104 Phanerostephanus subsenex sp. nov. 105 Phanerostephanus hudsoni sp. nov. 107 Phanerostephanus intermedius sp. nov. 107 Phanerostephanus dalmasiformis sp. nov. 109 Genus Nannostephanus gen. nov. 109 Nannostephanus subcornutus sp. nov. 111 Nannostephanus sp. ind. 111 Sub-Family Virgatitinae Spath . 112 Genus Nothostephanus gen. nov.
  • A Comparison of the Ammonite Faunas of the Antarctic Peninsula and Magallanes Basin

    A Comparison of the Ammonite Faunas of the Antarctic Peninsula and Magallanes Basin

    J. geol. Soc. London, Vol. 139, 1982, pp. 763-770, 1 fig, 1 table. Printed in Northern Ireland A comparison of the ammonite faunas of the Antarctic Peninsula and Magallanes Basin M. R. A. Thomson SUMMARY: Ammonite-bearingJurassic and Cretaceous sedimentary successions are well developed in the Antarctic Peninsula and the Magallanes Basin of Patagonia. Faunas of middle Jurassic-late Cretaceous age are present in Antarctica but those of Patagonia range no earlier than late Jurassic. Although the late Jurassic perisphinctid-dominated faunas of the Antarctic Peninsulashow wide-ranging Gondwana affinities, it is not yet possible to effect a close comparison with faunas of similar age in Patagonia because of the latter's poor preservation and our scant knowledge of them. In both regions the Neocomian is not well represented in the ammonite record, although uninterrupted sedimentary successions appear to be present. Lack of correspondence between the Aptian and Albian faunas of Alexander I. and Patagonia may be due to major differences in palaeogeographical setting. Cenomanian-Coniacian ammonite faunas are known only from Patagonia, although bivalve faunas indicate that rocks of this age are present in Antarctica. Kossmaticeratid faunas mark the late Cretaceous in both regions. In Antarcticathese have been classified as Campanian, whereas in Patagonia it is generally accepted, perhaps incorrectly, that these also range into the Maestrichtian. Fossiliferous Jurassic and Cretaceous marine rocks are rize first those of the Antarctic Peninsula and then to well developedin theAntarctic Peninsula, Scotia compare them with those of Patagonia. Comparisons Ridge andPatagonia (Fig. 1A).In Antarcticathese between Antarctic ammonite faunas and other Gond- rocks are distributed along the western and eastern wana areas wereoutlined by Thomson (1981a), and margins of theAntarctic Peninsula, formerly the the faunas of the marginal basin were discussed in magmatic arc from which the sediments were derived.
  • Fossilium Catalogus I:Animalia

    Fossilium Catalogus I:Animalia

    FOSSILIUM CATALOGUS I:ANIMALIA Edited by Wolfgang RIEGRAF Pars 144 Lower Cretaceous Ammonites III Bochianitoidea, Protancyloceratoidea, Ancyloceratoidea, Ptychoceratoidea by Jaap KLEIN, Robert BUSNARDO, Miguel COMPANY, Gerard DELANOY, Mikheil KAKABADZE, Stephane REBOULET, Pierre ROPOLO, Zdenek VAsicEK & Jean VERMEULEN IB Backhuys Publishers, Leiden, 2007 Fossilium Catalogus I: Animalia Edited by Wolfgang RrEGRAF Pars 144 Lower Cretaceous Ammonites III Bochianitoidea, Protancyloceratoidea, Ancyloceratoidea, Ptychoceratoidea by Jaap KLEIN, Robert BUSNARDO, Miguel COMPANY, Gerard DELANOY, Mikheil KAKABADZE, Stephane REBOULET, Pierre ROPOLO, Zdenek VAsicEK & Jean VERMEULEN IB Backhuys Publishers, Leiden, 2007 Copyright 2007 Backhuys Publishers All rights reserved. No part ofthis book may be translated or reproduced in any form by print, photoprint, micro­ film, or any other means without prior written permission ofthe publisher. Addresses of the authors: Robert BIJSNARDO: Dcpartcmcnt des Sciences de la Terre, Universite Claude Bcrnard Lyon 1,43 Boulevard du I1 Novcmbrc, 1'-69622 Villeurbanne cedex, France. Miguel COMPANY: Departamento de Estratigrafia y Paleontologfa, Facultad de Ciencias, Universidad de Granada, 18002 Granada, Spain. Gerard DELANOY: Universite de Nice-Sophia Antipolis, Departcmcnt des Sciences de la Terre, 28 Avenue Valrose 1'-06100, Nice cedex, France. Mikhcil KAKABADZE: A. Djanclidze Geological Institute, M. Alexidze str. 1/9,0193, Tbilisi, Republic of Georgia. Jaap Kl.EIN: Nationaal Natuurhistorisch Museum, Demmerik 12, NL-3645 EC Vinkeveen, The Netherlands. Pierre Roroi.o: Centre de Paleontologic-Scdimcntologic de I'Universite de Provence, Place Victor Hugo 1'-13331, Marseille, France & Centre d'etudes meditcrraneennes, Barremc, France. Stephanc REBOUl.ET: UFR des Sciences de La Terre, CNRS-UMR-5125 Paleoenvironnements et Paleobiosphere, Univcrsite Lyon 1. Batiment Geode, 2 rue Raphael Dubois, Campus de la Doua, 1'-69622 Villeurbanne cedex, France.
  • Notes on the Carboniferous Cephalopoda

    Notes on the Carboniferous Cephalopoda

    Downloaded from http://pygs.lyellcollection.org/ by guest on October 1, 2021 257 some two miles inland, at an elevation of about 200 feet above the sea-level; and more recently have had a specimen given to me, said to have been found in Cornwall, but I am somewhat dubious about the accuracy of this locality. I am under the impression that Yermiculite Granite will be found in Yorkshire, especially in the northern division of the West Riding; and I trust our geological friends will carefully examine any granite boulders they may meet with in their excursions. It is only when the Granite is decomposed that the mineral can be properly separated from it; but even in situ, by careful observation, there will be no difficulty in detecting it. That these Granite boulders have travelled a long distance I am fully persuaded, and my belief is they have been transported to our shores in floating ice, very probably from Labrador. NOTES ON CARBONIFEROUS CEPHALOPODA. PART I. RECENT CEPHALOPODA. BY WILLIAM CASH, F.G.S. (PLATE XI.) THE true method of reasoning on natural objects and phenomena, is from that which is well known to that which is unknown; hence it follows, that a sound knowledge of the structure and relations of Fossil Animals can only be acquired by a careful study of the structure and relations of their living analogues. These and similar considerations have resulted in prefacing the proposed " Notes on Carboniferous Cepha• lopoda," with the following remarks on the structure, habits, distribution, and classification of their living repre• sentatives.
  • Western Cuba)

    Western Cuba)

    ACTA PALAEONTOLOGICA POLONICA Vol. 22 1 8 7 7 No. 2 RYSZARD MYCZYNSKI LOWER CRETACEOUS AMMONITES FROM SIERRA DEL ROSARIO (WESTERN CUBA) Abstract. - Lower Cretaceous ammonites from the Artemisa, Poller and Lucas For­ mations of the Pinar del Rio province, are described. The assemblage comprises 47 species, including four new: KaTsteniceTas polieTi, CrioceTas pinaTensis, ACTioceras (PaTaspinoceTas) TosaTiensis and ?PleuTohoplites machini. Some of them are common for Cuba, Mexico and south Andes. Typical west - Tethyan ammonites form a noti­ ceable part of the Cuban assemblage. INTRODUCTION Lower Cretaceous ammonites from Cuba were not hitherto paleonto­ logically studied. The paper presents paleontological descriptions of Lower Cretaceous ammonites from Sierra del Rosario, western Cuba. They were found in the course of field works connected with preparation of the Geological Map of Pinar del Rio province, scale 1:250000, carried out by the team of the Polish Academy of Sciences and Cuban Academy of Sciences. Tintinids (de la Torre 1972-1975, MS) and the ammonites collected made possible to establish the stratigraphy of Lower Cretaceous strata of that region and to correlate lithostratigraphic units distinguished here. Ammonites occurring in the Lower Cretaceous strata of ,Sierra del Rosario are very rare and poorly preserved, usually as moulds. Never­ theless, all these finds are of a remarkable importance for the strati­ graphy of the Lower Cretaceous of that region as well as of the whole western Cuba. All specimens here described are housed in the Paleontological Mu­ seum of the Institute of Geology and Paleontology, Havana, Cuba. Acknowledgements. - Warm thanks are due to the Director of the Institute of Geology and Paleontology of the Cuban Academy of Sciences for the loan of the ammonite material from Sierra del Rosario fot detailed studies.
  • AUSTRIAN JOURNAL of EARTH SCIENCES Volume 98 2005

    AUSTRIAN JOURNAL of EARTH SCIENCES Volume 98 2005

    AUSTRIAN JOURNAL of EARTH SCIENCES [MITTEILUNGEN der ÖSTERREICHISCHEN GEOLOGISCHEN GESELLSCHAFT] an INTERNATIONAL JOURNAL of the AUSTRIAN GEOLOGICAL SOCIETY volume 98 2005 Alexander LUKENEDER: Taphonomy and stratigraphy of Early Cretaceous ammonoid mass occurrences (Late Valanginian; Northern Calcareous Alps; Upper Austria)_____________________________________________________________________________ www.univie.ac.at/ajes EDITING: Grasemann Bernhard, Wagreich Michael PUBLISCHER: Österreichische Geologische Gesellschaft Rasumofskygasse 23, A-1031 Wien TYPESETTER: Irnberger Norbert, www.irnberger.net Copy-Shop Urban, Bahnstraße 26a, 2130 Mistelbach PRINTER: Holzhausen Druck & Medien GmbH Holzhausenplatz 1, 1140 Wien ISSN 0251-7493 Austrian Journal of Earth Sciences Volume 98 Vienna 2005 Taphonomy and stratigraphy of Early Cretaceous ammonoid mass occurrences (Late Valanginian; Northern Calcareous Alps; Upper Austria) Alexander LUKENEDER KEYWORDS Early Cretaceous (Valanginian) Northern Calcareous Alps Natural History Museum, Geological-Palaeontological Department, Burgring 7, A-1010 Wien, Austria, Stratigraphy Taphonomy e-mail: [email protected] Ammonoids Abstract Ammonoids of Early Cretaceous age were collected in the Kolowratshöhe section, which is located in the easternmost part of the Staufen- Höllengebirgs Nappe (Tyrolic Unit, Northern Calcareous Alps). The cephalopods, which occur in turbidite sandstones of the Rossfeld Formation, indicate a latest Late Valanginian age (Criosarasinella furcillata Zone). The ammonoid
  • The Hydrostatics and Hydrodynamics of Prominent Heteromorph Ammonoid Morphotypes and the Functional Morphology of Ammonitic Septa

    The Hydrostatics and Hydrodynamics of Prominent Heteromorph Ammonoid Morphotypes and the Functional Morphology of Ammonitic Septa

    Wright State University CORE Scholar Browse all Theses and Dissertations Theses and Dissertations 2020 The Hydrostatics and Hydrodynamics of Prominent Heteromorph Ammonoid Morphotypes and the Functional Morphology of Ammonitic Septa David Joseph Peterman Wright State University Follow this and additional works at: https://corescholar.libraries.wright.edu/etd_all Part of the Environmental Sciences Commons Repository Citation Peterman, David Joseph, "The Hydrostatics and Hydrodynamics of Prominent Heteromorph Ammonoid Morphotypes and the Functional Morphology of Ammonitic Septa" (2020). Browse all Theses and Dissertations. 2306. https://corescholar.libraries.wright.edu/etd_all/2306 This Dissertation is brought to you for free and open access by the Theses and Dissertations at CORE Scholar. It has been accepted for inclusion in Browse all Theses and Dissertations by an authorized administrator of CORE Scholar. For more information, please contact [email protected]. THE HYDROSTATICS AND HYDRODYNAMICS OF PROMINENT HETEROMORPH AMMONOID MORPHOTYPES AND THE FUNCTIONAL MORPHOLOGY OF AMMONITIC SEPTA A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy By DAVID JOSEPH PETERMAN M.S., Wright State University, 2016 B.S., Wright State University, 2014 2020 Wright State University WRIGHT STATE UNIVERSITY GRADUATE SCHOOL April 17th, 2020 I HEREBY RECOMMEND THAT THE DISSERTATION PREPARED UNDER MY SUPERVISION BY David Joseph Peterman ENTITLED The hydrostatics and hydrodynamics of prominent heteromorph ammonoid morphotypes and the functional morphology of ammonitic septa BE ACCEPTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF Doctor of Philosophy Committee on Final Examination Christopher Barton, PhD Dissertation Director Charles Ciampaglio, PhD Don Cipollini, PhD Director, Environmental Sciences PhD program Margaret Yacobucci, PhD Barry Milligan, PhD Interim Dean of the Graduate School Sarah Tebbens, PhD Stephen Jacquemin, PhD ABSTRACT Peterman, David Joseph.