NDLI: Taxonomical studies on some lower cretaceous ostracods from the western High Atlas, Morocco

Content Provider	Springer Nature Link
Author	Rossi, Abdelhamid Malz, Heinz
Copyright Year	2005
Abstract	Parmi les Ostracodes du Crétacé inférieur de la région d’Essaouira — Agadir, les espèces de la famille Cytherettidae paraissent être de bons marqueurs biostratigraphiques:Costacythere entremontensis (Donze 1973), déjà connue au même niveau dans le Sud-Est de la France, en Espagne et au Maroc, se trouve depuis la limite Berriasien — Valanginien jusqu’au Valanginien inférieur. La répartition est sensiblement la même pourValendocythere occidentalis n. sp. etProtocythere paquieri thetis n. subsp., et seuleProtocythere maghrebensis n. sp. monte dans l’Hauterivien supérieur.Protocythere? imsouanensis n. sp., trouvé uniquement à la base du Valanginien, est trop rare pour être stratigraphiquement significative.Protocythere bedoulensis Moullade 1963 est présente dès l’Hauterivien supérieur et atteint le Barrrémien.Unter den Unterkreide-Ostracoden aus dem Gebiet zwischen Essaouira und Agadir erweisen sich die Arten der Cytherettidae als gute biostratigraphische Zeitmarken:Costacythere entremontensis (Donze 1973), zuvor schon bekannt aus demselben stratigraphischen Bereich von SE-Frankreich, Spanien und Marokko reicht von der Grenze Berrias/Valendis bis ins untere Valendis. Etwa dieselbe Reichweite gilt fürValendocythere occidentalis n. sp. undProtocythere paquieri thetis n. ssp.; nurProtocythere maghrebensis n. sp. überschreitet das Valendis zum Ober-Hauterive.Protocythere? imsouanensis n. sp. konnte bisher nur in einer Valendis-Probe nachgewiesen werden und erlaubt somit keine Aussage über ihre weitere Verbreitung.Protocythere bedoulensis Moullade 1963 wurde zuerst im Apt von SE-Frankreich, später auch in gleichaltrigen und älteren Ablagerungen benachbarter Tethys-Regionen gefunden, so auch im oberen Hauterive und im Barréme des westlichen Hohen Atlas.Among the Lower Cretaceous ostracods from inland and coastal sections between Essaouira and Agadir, species attributed to the family Cytherettidae are recognized as valuable biostratigraphical time markers:Costacythere entremontensis (Donze 1973), already known from coeval deposits in SE France, Spain and Morocco, is recorded from the Berriasian/Valanginian boundary to lower Valanginian strata. Quite similar records apply toValendocythere occidentalis n. sp. andProtocythere paquieri thetis n. ssp.; onlyProtocythere maghrebensis n. sp. ranges through the Valanginian to the Upper Hauterivian.Protocythere? imsouanensis n. sp., so far known only from one Valanginian locality, remains without further record from other regions.Protocythere bedoulensis Moullade 1963, first recorded from Aptian strata in SE France and later also reported from coeval and earlier deposits of neighbouring tethyan regions, occurs in the Upper Hauterivian to the Barremian.
Starting Page	81
Ending Page	93
Page Count	13
File Format	PDF
ISSN	00372110
Journal	Palaeobiodiversity and Palaeoenvironments
Volume Number	85
Issue Number	1
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Ostracoda Cytherettidae Lower Cretaceous western High Atlas Paleontology Biodiversity Animal Systematics/Taxonomy/Biogeography Plant Systematics/Taxonomy/Biogeography Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Paleontology

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