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New data on the Silurian-Devonian palaeontology and biostratigraphy of Bolivia
Racheboeuf, P.R.; Casier, J.-G.; Toro, M.; Mendoza, D.; de Carvalho, M.D.P.; Le Herisse, A.; Paris, F.; Fernandez-Martinez, E.; Broutin, J.; Crasquin, S.; Janvier, P. (2012). New data on the Silurian-Devonian palaeontology and biostratigraphy of Bolivia. Bull. Geosci. 87(2): 269-314.
In: Bulletin of Geosciences. Czech Geological Survey: Praha. ISSN 1214-1119; e-ISSN 1802-8225
Peer reviewed article  

Beschikbaar in  Auteurs 

    Geological time > Phanerozoic > Paleozoic > Palaeozoic > Devonian
    Bolivia [Marine Regions]
Author keywords
    Devonian; Bolivia; palaeontology; biostratigraphy; palaeobiogeography

Auteurs  Top 
  • Racheboeuf, P.R.
  • Casier, J.-G.
  • Toro, M.
  • Mendoza, D.
  • de Carvalho, M.D.P.
  • Le Herisse, A.
  • Paris, F.
  • Fernandez-Martinez, E.
  • Broutin, J.
  • Crasquin, S.
  • Janvier, P.

    In order to precisely establish the bio- and chronostratigraphic position of several levels of the Silurian-Devonian succession of Bolivia, with respect to the International Time Scale, additional Silurian and Devonian localities belonging to the Eastern Cordillera and the Interandean Zone areas have been recently revised and sampled, both for macrofossils and palynomorphs. Specifically, the localities are Nunumayani, and Muruhuta from the late Silurian-early Devonian time interval. Correlations with other fossiliferous localities are discussed, namely Huacallani and Rumicorral. A new outcrop yielding Middle Devonian tabulate corals at Pisacavina is described; its faunal content is described, and compared with the historical coral collection. As a result, it appears clearly that the Silurian-Devonian Bolivian fauna needs a thorough revision, as well as the selection of stratigraphically significant macrofossils. Besides macrofossils, the analysis of palynomorph assemblages is significant in establishment of both intra-Bolivian and international correlations before any reliable biogeographic reconstruction is done. This paper records the first discovery of a plant of the genus Protolepidodendron from the Devonian of Bolivia. An ostracod assemblage from Pisacavina is described, illustrated, and discussed for the first time; it suggests an Early Devonian or an Eifelian age. Newly described taxa include the coral Parastriatopora boliviana sp. nov., and the chonetoidean brachiopods Sanjuanetes glemareci sp. nov., and Kentronetes giae sp. nov.

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