Fig. 12From: Kasimovian (late Pennsylvanian) cornute rugose corals from Egypt: taxonomy, facies and palaeogeography of a cool-water fauna from northern GondwanaRelation between number of major septa and coralla alar diameters for: A Lytvolasma paraaucta n. sp., L aucta Fedorowski, 1987, L. asymetrica Soshkina, 1925 described by Chwieduk (2013), L. canadense Fedorowski and Bamber, 2001 and the current studied L. cf. canadense Fedorowski and Bamber, 2001. B Monophyllum galalaensis n. sp. and M. parvum Fomichev, 1953. C Rotiphyllum exile de Groot, 1963. D Zaphrentites cf. parallela (Carruthers, 1910) and Zaphrentites spBack to article page