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Chitinozoa biostratigraphy of subsurface Ordovician sediments from the Lohme 2/70 well, Island of Rugen (NE-Germany)
Samuelsson, J.; Servais, T. (2001). Chitinozoa biostratigraphy of subsurface Ordovician sediments from the Lohme 2/70 well, Island of Rugen (NE-Germany). N. Jb. Geol. Palaont. Abh. 222(1-2): 73-90
In: Jagt, J.W.M. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen. E. Schweizerbart'sche Verlagsbuchhandlung: Stuttgart. ISSN 0077-7749, more
Peer reviewed article  

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Keywords
    Chitinozoa; Marine
Author keywords
    chitinozoa; Middle Ordovician; Abereiddian; Avalonia; biostratigraphy

Authors  Top 
  • Samuelsson, J.
  • Servais, T.

Abstract
    The pre-Devonian part of the Lohme 2/70 well was investigated for its chitinozoan fauna. All samples from the investigated interval, 3288.4 to 3345.6 m, yielded an assemblage of moderately to poorly preserved flattened chitinozoans typical of the North Gondwana Siphonochitina formosa Biozone including e.g. Cyathochitina jenkinsi NEVILLE 1974, Conochitina parviventer JENKINS 1967 but also Lagenochitina cf. cybaea (UMNOVA 1969). The recovered assemblage indicates a depositional age from the earliest to the early late Abereiddian. The presence of S. formosa corroborates the earlier palaeogeographical attribution of the Rugen Ordovician to eastern Avalonia.

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