Fig. 5

(Scale bar = 10 mm, unless otherwise stated): a Favites vasta (Klunzinger 1879), Sh.L 7-b 10, Pleistocene raised reefs, (T I), Sharm El-Luli; a1 massive corallum with cerioid corallites; a2 close-up view on three corallites showing its details. b Plesiastrea devantieri Veron 2000a, b, c, Sh.L 7-b 9, Pleistocene raised reefs, (T I), Sharm El-Luli; b1 general view of the massive corallum; b2 close-up view on the corallites of the upper surface of the corallum. b3 transverse thin section, showing a single corallite with septothecal wall, the box is the area shown in Fig. b4; b4 enlarged part of the wall that enclosed in the box shown in Fig. b3, showing the septothecal wall c Leptastrea purpurea (Dana 1846), S 19-5, Pleistocene raised reefs (T II), Wadi Samadai; c1 general view of small incrusting corallum; c2 close-up view on the cerioid corallites of the corallum in Fig. c1; c3 close-up view on one corallite showing the septal pattern and the vertical pinnules compose the columella