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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