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Swiss Journal of Palaeontology
Fig. 8 | Swiss Journal of Palaeontology

Fig. 8

From: Kasimovian (late Pennsylvanian) cornute rugose corals from Egypt: taxonomy, facies and palaeogeography of a cool-water fauna from northern Gondwana

Fig. 8

A Lytvolasma paraaucta n. sp. A1 Lateral external view of the holotype specimen (RAh 54). Note that, calice is compressed due to compaction. A2 Transverse thin-section in the immature part, showing major septa with irregular zaphrentoid arrangement. A3 Transverse thin section in the early mature part of the corallite, showing radially arranged major septa with rhopaloid ends. A4 Laterally compressed section in the calice base, showing a deformed fossula. A5 Transverse thin-section in the compressed calice, with calcareous mud filling. B1 Lateral external view of the paratype specimen (RAh 19). B2–B5 Successive transverse thin-sections from the immature part near the apex (B2) to the last mature part in the calice (B5)

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