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Additional records of scaphitid ammonites from the basal upper Maastrichtian (Upper Cretaceous) of eastern Poland
Machalski, M.; Jagt, J.W.M.; Dubicka, Z. (2008). Additional records of scaphitid ammonites from the basal upper Maastrichtian (Upper Cretaceous) of eastern Poland. Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 78: 261-268
In: Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Aardwetenschappen = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Sciences de la Terre. KBIN: Brussel. ISSN 0374-6291, more
Peer reviewed article  

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Keywords
    Geological time > Phanerozoic > Geological time > Mesozoic > Cretaceous > Cretaceous, Upper > Maastrichtian
    Ammonoida † [WoRMS]; Scaphitidae
    Europe, Poland [Marine Regions]
    Marine/Coastal
Author keywords
    Ammonoidea, Scaphitidae, taxonomy, white chalk, Maastrichtian, Poland

Authors  Top 
  • Machalski, M.
  • Jagt, J.W.M.
  • Dubicka, Z.

Abstract
    New records of rare and/or poorly known scaphitid ammonites are presented from the basal upper Maastrichtian (Upper Cretaceous) white chalk exposed at Chelm quarry, Lublin Upland (eastern Poland). The described and illustrated material comprises four specimens, all preserved as composite moulds, and includes a well-preserved microconch of Hoploscaphites schmidi (BIRKELUND, 1982), fragmentary specimens of H. felderi KENNEDY, 1987 and Acanthoscaphites (Euroscaphites) varians blaszkiewiczi JAGT, KENNEDY & MACHALSKI, 1999, as well as a pathological macroconch of Hoploscaphites constrictus lvivensis MACHALSKI, 2005b.

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