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Coniacian and Santonian ammonites from Bornholm, Denmark
Author(s) -
W. J. Kennedy,
Walter Kegel Christensen
Publication year - 1991
Publication title -
bulletin of the geological society of denmark
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.674
H-Index - 28
eISSN - 2245-7070
pISSN - 0011-6297
DOI - 10.37570/bgsd-1990-38-19
Subject(s) - ammonite , geology , paleontology , foraminifera , fauna , cretaceous , oceanography , biology , ecology , benthic zone
The ammonite faunas from the Amager Limestone and Bavnodde Greensand Formations of the island of Bornholm, Denmark are described. The Amager Limestone at its type locality has yielded five species, including the age diagnostic Scaphites (Scaphites) kieslingswaldensis kieslingswaldensis · Langenhan & Grundey, 1891 and Peroniceras tridorsatum (Schliiter, 1867). The Bavnodde Greensand has yielded seven species, including Scaphites (Scaphites) kieslingswaldensis fischer Riede!, 1931, which firs! appears in the Lower Santonian elsewhere in Europe. The age of the two formations is discussed. The Amager Limestone Formation is in part at least Middle Coniacian on ammonite evidence, Lower Coniacian on inoceramid bivalve evidence, while foraminifera suggest thai the formation spans most of the Coniacian. Tue Bavnodde Greensand Formation is referable to the upper Coniacian-Lower Santonian on the basis of ammonites, belemnites, and inoceramid bivalves.

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