Egypt, South Sinai, northern flank of the Wadi Kabila alluvial fan (latitude given by Ben-Eliahu & Safriel (1982) as 28º16'00"N, longitude estimated with gazetteer to be 34º24'35"E); low-midlittoral vermetid reefs of Dendropoma cf. meroclista Hadfield & Kay, 1972 on wave-battered beachrock slabs