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| one publication added to basket [295720] |
Givetian rugose corals from the Zemmour in Mauritania
In: Geologica Belgica. Geologica Belgica: Brussels . ISSN 1374-8505; e-ISSN 2034-1954, meer
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| Trefwoorden |
Rugosa † [WoRMS]
Marien/Kust |
| Author keywords |
Rugosa; taxonomy; stratigraphy; Givetian; palaeobiogeography; Gondwana |
| Abstract |
Ten species and three forms of rugose corals from the Givetian of the Zemmour in Northern Mauritania are described and illustrated, confirming the age of the coral levels intercalated in a succession of mainly detrital deposits more than 300 m thick. Five taxa are new: Acanthophyllum filiforme n. sp., A. sougyi n. sp., Charactophyllum soraufi n. sp., C. mauritanicum n. sp. and Macgeea tourneuri n. sp. The coral fauna of the Zemmour is characterized by some North Gondwanan species such as Siphonophrentis kullmanni (Birenheide, 1978). However, there are also several species defined in the Givetian of Western and Eastern Europe which are useful for stratigraphic correlations, especially Acanthophyllum heterophyllum (Milne-Edwards & Haime, 1851), Sociophyllum isactis (Frech, 1886), Spinophyllum spongiosum (Schlüter, 1889) and Argutastrea briceae (Rohart, 1988). Farther to the east, the relationships with the Givetian of Russia, China and Australia are only occasional. Additionally, the fauna of the Zemmour is unusual due to the occurrence of the rather rare genera Moravophyllum Kettnerova, 1932, Charactophyllum Simpson, 1900 and Iowaphyllum Stumm, 1949. |
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