Annals of the South African Museum, Volume 101, Issue 2

abbreviated animals anoxic appear areas author's name authors base bedding surface bioturbated branching burrows Cape capital Chondrites circulation cm Fig colonization contain correlation cross Cruziana Cruziana ichnofacies dark pyritic deposited depositional environment described Description diameter Diplocraterion energy environment epeiric sea example facies Fascifodina Figure follow formed Frey & Pemberton given Häntzschel 1975 horizontal ichnofacies models illustrations indicate individual INNER SHELF MUD Interpretation interval italics known letters lining marking MUD AND SAND mudrock Note occur Ophiomorpha organisms origin Pemberton 1984 Photograph Planolites possible probably reach reduction references represent resemble response restricted rocks rounded SAND sand-filled tubes sandstone Sardinia Bay Formation sediment sediment-dwelling sedimentary structures Seilacher separates shafts Shone showing similar Skolithos Smith species Spreiten strata substrate suggest Table Table Mountain Group Thalassinoides tidal currents trace fossil association typical U-tube units Upper Sardinia Bay vermiform vertical wave