Geology of Denmark Survey Bulletin 37, 2001, 1-85
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G E O L O G Y O F D E N M A R K S U R V E Y B U L L E T I N 3 7 · 2 0 0 1 The Selandian (Paleocene) mollusc fauna from Copenhagen, Denmark: the Poul Harder 1920 collection K. Ingemann Schnetler GEOLOGICAL SURVEY OF DENMARK AND GREENLAND MINISTRY OF THE ENVIRONMENT 1 GEUS Bulletin 37 Sundkrogen.pmd 1 21-03-02, 14:05 Geology of Denmark Survey Bulletin 37 Keywords Copenhagen, Denmark, Mollusca, new taxa, palaeoecology, Selandian (Paleocene), Sundkrogen, systematics. Cover Part of the map sheet ‘København’ (M 3130), 1:20 000, enlarged × 1.3. Copyright: Kort & Matrikelstyrelsen. Inset: Dr Poul Harder (photograph in the files of the Geological Survey of Denmark and Greenland) and three of the new gastropod species established in this bulletin. Design: Erik Morsing, Århus. K. Ingemann Schnetler Fuglebakken 14, Stevnstrup, DK-8870 Langå, Denmark E-mail: [email protected] Chief editor of this series: Peter R. Dawes Scientific editor of this volume: Svend Stouge Copy editor: Peter R. Dawes Editorial secretary: Esben W. Glendal Referees: Heinz A. Kollmann (Austria; palaeontology), Leif Banke Rasmussen (Denmark; deceased; palaeontology) and Peter R. Dawes (Denmark; geology, composition, language) Illustrations: Stefan Sølberg Digital photographic work: Benny M. Schark Graphic production and reproduction: Knud Gr@phic Consult, Odense, Denmark Manuscript submitted: 18 March 1997 Final version approved: 17 October 2001 Printed: 28 December 2001 ISBN 87-7871-093-6 ISSN 1397-1891 Geology of Denmark Survey Bulletin The series Geology of Denmark Survey Bulletin is a continuation of Danmarks Geologiske Undersøgelse Serie A and incorporates Danmarks Geologiske Undersøgelse Serie B. Citation of the name of this series It is recommended that the name of this series is cited in full, viz. Geology of Denmark Survey Bulletin If abbreviation of this volume is necessary the following form is suggested: Geology Denmark Surv. Bull. 37, 85 pp. Available from Geological Survey of Denmark and Greenland Thoravej 8, DK-2400 Copenhagen NV, Denmark Phone: +45 38 14 20 00, fax: +45 38 14 20 50, e-mail: [email protected] or Geografforlaget ApS Fruerhøjvej 43, DK-5464 Brenderup, Denmark Phone: +45 63 44 16 83, fax: +45 63 44 16 97, e-mail: [email protected] © Danmarks og Grønlands Geologiske Undersøgelse (GEUS), 2001 2 GEUS Bulletin 37 Sundkrogen.pmd 2 21-03-02, 14:05 Contents Abstract . 7 Introduction . 9 Geological setting . 10 Regional Selandian stratigraphy . 11 Lellinge Greensand . 11 Kerteminde Marl . 12 Æbelø Formation . 12 Holmehus Formation . 12 Age of the Selandian formations . 12 Historical background and previous work . 13 The monopoly discussion . 14 The present study: significance . 15 The Sundkrogen locality . 15 The material from Sundkrogen . 16 Labelling of the material . 18 The fauna from Sundkrogen . 19 State of preservation . 19 List of molluscs from Sundkrogen . 19 Non-molluscs from Sundkrogen . 19 Comparison with other Paleocene molluscan faunas . 23 Denmark . 23 The Early Paleocene (Danian) of Fakse . 23 The Copenhagen area . 27 The Lellinge Greensand mollusc fauna (Selandian) . 27 The Kerteminde Marl mollusc fauna (Selandian) . 27 Selandian boulders . 27 Southern Sweden . 28 Northern Germany . 28 The Calcaire de Mons fauna (Montian/Danian), Belgium . 29 The Thanetian of England and France . 29 The Upper Paleocene of Ukraine and Poland . 29 The Paleocene of Austria . 29 The Paleocene of West Greenland . 30 Conclusions . 30 Palaeoecological interpretation . 30 The glauconitic greensand (series 1 and 2) . 30 The fine-grained greensand (series 3) . 34 The dark clay/marl (series 4) . 36 Discussion. 37 Conclusion and palaeoecological interpretations . 39 Systematic palaeontology . 39 Taxonomic descriptions . 39 Class Bivalvia Linneaus 1758 . 39 Order Taxodonta Neumayer 1883 . 39 Family Nuculanidae H. & A. Adams 1858 . 39 Genus Portlandia Mörch 1857 . 39 3 GEUS Bulletin 37 Sundkrogen.pmd 3 21-03-02, 14:05 Subgenus Yoldiella Verrill & Bush 1897 . 39 Portlandia (Yoldiella) nielseni n. sp. 39 Order Pterioidea Newell 1965 . 41 Family Plicatulidae Watson 1930 . 41 Genus Plicatula Lamarck 1801 . 41 Plicatula selandica n. sp. 41 Order Pholadomyoidea Gray 1847 . 41 Family Laternulidae Hedley 1918 . 41 Genus Laternula Röding 1798 . 41 Subgenus Laternulina Habe 1952 . 41 Laternula (Laternulina) ravni n. sp. 41 Class Scaphopoda Bronn 1862. 42 Family Dentaliidae Gray 1834 . 42 Genus Dentalium Linneaus 1758 . 42 Subgenus Dentalium Linneaus 1758 . 42 Dentalium (Dentalium) rugiferum von Koenen 1885 . 42 Dentalium (Dentalium) sundkrogensis n. sp. 43 Class Gastropoda Cuvier 1797 . 44 Order Archaeogastropoda Thiele 1925 . 44 Family Trochidae Rafinesque-Schmaltz 1815 . 44 Genus Solariella Wood 1842 . ..