Carboniferous aulate corals from Azrou-Khenifra Basin (Morocco): Distribution and phylogenetic relationships |
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| Institution: | 1. Red Sea Research Center, Division of Biological and Environmental Science and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia;2. Coral Reef Ecology Research Group, Department of Biology, Universidad del Valle, A.A. 25360, Cali, Colombia;1. Roy M. Huffington Department of Earth Sciences, Southern Methodist University, PO Box 750395, Dallas, TX 75275-0395, USA;2. Department of Geosciences, Boise State University, Isotope Geology Laboratory, Boise, ID 83725, USA;3. Department of Earth and Planetary Sciences, University of California, Davis, CA 95616, USA;4. Kazan Federal University, 18 Kremlyovskaya St., Kazan 420008, Republic of Tatarstand, Russian Federation |
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| Abstract: | The Carboniferous outcrops from the Azrou-Khenifra Basin (central Morocco) have yielded solitary and fasciculate aulate corals. Although mostly rare, their presence has significance for extending the known stratigraphic range of two genera. Both Solenodendron and Semenoffia which were previously restricted to the Tournaisian-Viséan interval are now recognised to range up into the Serpukhovian. Moreover, Solenodendron is now last recorded in lower Bashkirian strata, having survived the end-Serpukhovian (mid-Carboniferous) faunal crisis. New phylogenetic relationships are proposed within this aulate group of corals for the western Palaeotethys, based on detailed examination of their morphology, microstructure and stratigraphic range. The distribution of solitary and fasciculate aulate corals in the Azrou-Khenifra Basin (Morocco) is comparable with that of the Béchar Basin (Algeria), and some species are commonly recorded in Europe. A new species, Aulokoninckophyllum potyi is described. |
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| Keywords: | Aulate rugose corals Phylogeny Biostratigraphy Systematics Mississippian Morocco Western Palaeotethys |
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