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Les ostracodes plio-pléistocènes de la côte orientale de la Péninsule du Cap Bon (Tunisie) = Plio-pleistocene ostracods from the eastern coast of the Cap Bon Peninsula (Tunisia)
Bejaoui, S.; Sciuto, F.; Karoui-Yaakoub, N.; Bel Haj Ali, N. (2018). Les ostracodes plio-pléistocènes de la côte orientale de la Péninsule du Cap Bon (Tunisie) = Plio-pleistocene ostracods from the eastern coast of the Cap Bon Peninsula (Tunisia). Ann. Paleontol. 104(1): 71-80. https://hdl.handle.net/10.1016/j.annpal.2018.01.002
In: Annales de Paléontologie. Elsevier Masson: Moulineaux. ISSN 0753-3969; e-ISSN 0753-3969, more
Peer reviewed article  

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Keywords
    Bythocythere turgida Sars, 1866 [WoRMS]; Ostracoda [WoRMS]
    Marine
Author keywords
    Ostracods; North-East Tunisia; Late Pliocene-Early Pleistocene

Authors  Top 
  • Bejaoui, S.
  • Sciuto, F.
  • Karoui-Yaakoub, N.
  • Bel Haj Ali, N.

Abstract
    This article concerns the study of the ostracods of the Upper Pliocene-Lower Pleistocene sedimentary deposits cropping out along the south-eastern coast of the Cape Bon Peninsula (Tunisia, Hammamet region, Sidi Khelas section). Fourteen samples were taken along a thirty-two-meters thick sedimentary silico-clastic series. Seventy species of ostracods belonging to twenty-four genera were found. The autochthonous association, which originally lived in an environment located in the infralittoral and upper circalittoral stages of the benthic marine domain, is cyclically affected by inputs from the more superficial environments due to the presence of relatively well-developed lagoon and/or estuary environments in the surrounding coastal areas. Within the ostracod association, the presence of Bythocythere turgida – a true “northern guest” – is particularly significant. This species indicates that these sediments were deposited during the cold phases of the Early Pleistocene. Among the ostracods found, those belonging to the families Trachyleberididae, Hemicytheridae and Bythocytheridae, which are dominant and include particularly significant species from the environmental and paleoclimatic point of view, are systematically recorded and commented on. Some species that are probably new have been described and photographed, but are currently left in open nomenclature because of how few specimens have been found.

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