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New species of organic-walled dinoflagellate cysts from the Maastrichtian-Danian boundary interval at Ouled Haddou, northern Morocco
Slimani, H.; Louwye, S.; Toufiq, A. (2012). New species of organic-walled dinoflagellate cysts from the Maastrichtian-Danian boundary interval at Ouled Haddou, northern Morocco. Alcheringa 36(3): 337-353. https://dx.doi.org/10.1080/03115518.2012.645629
In: Alcheringa: an Australasian Journal of Palaeontology. Graphic Services: Sydney. ISSN 0311-5518; e-ISSN 1752-0754, more
Peer reviewed article  

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Keywords
    Geological time > Phanerozoic > Geological time > Cenozoic > Paleogene > Paleocene > Danian
    Geological time > Phanerozoic > Geological time > Mesozoic > Cretaceous > Cretaceous, Upper > Maastrichtian
    Dinoflagellata [WoRMS]
    Morocco [Marine Regions]
    Marine/Coastal
Author keywords
    dinoflagellate cysts; taxonomy; biostratigraphy; Maastrichtian-Danianboundary; Ouled Haddou; northern Morocco

Authors  Top 
  • Slimani, H.
  • Louwye, S., more
  • Toufiq, A.

Abstract
    Seven new dinoflagellate cyst species and subspecies, previously figured under open nomenclature, from Maastrichtian and Danian deposits of Ouled Haddou (eastern external Rif Chain) in northern Morocco are formally described, and their stratigraphic ranges are clarified. Conosphaeridium lifum sp.nov. and Kenleyia chabaka sp.nov. have fibrous and reticulate wall surfaces, respectively. Oligosphaeridium saghirum sp.nov. is a small cyst with funnel-shaped distal process extremities. Spiniferella cornuta subsp. kacira subsp. nov. and Fibrocysta brevispinosa sp. nov. are distinguishable by their very short processes. Riculacysta chaouka sp. nov. is characterized by its perforate spinose ectophragm. Andalusiella bacita sp. nov. is a small and spindle-shaped cyst with only a single antapical horn.

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