Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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Page 216
... fossils , although its plant fossils ( Plumstead 1967 , 1969 ) and fish fossils ( Jubb 1965 ; Gardiner 1969 ) are fairly well documented . However , rare marine invertebrates have been recovered from a number of widely spaced localities ...
... fossils , although its plant fossils ( Plumstead 1967 , 1969 ) and fish fossils ( Jubb 1965 ; Gardiner 1969 ) are fairly well documented . However , rare marine invertebrates have been recovered from a number of widely spaced localities ...
Page 218
... plant fossils . This in turn , is overlain by the Swartruggens Formation , a relatively thick heterolithic unit comprising siltstone and shale with thin sandstone interbeds , and containing plant fossils and Zoophycos traces . The top ...
... plant fossils . This in turn , is overlain by the Swartruggens Formation , a relatively thick heterolithic unit comprising siltstone and shale with thin sandstone interbeds , and containing plant fossils and Zoophycos traces . The top ...
Page 228
... fossils in the Witteberg Group has made dating of the rocks rather difficult . Fish remains from the Waaipoort ... plant macrofossils suggested a late Devonian age to Plumstead ( 1967 , 1969 ) . Boucot et al . ( 1983 ) discussed these ...
... fossils in the Witteberg Group has made dating of the rocks rather difficult . Fish remains from the Waaipoort ... plant macrofossils suggested a late Devonian age to Plumstead ( 1967 , 1969 ) . Boucot et al . ( 1983 ) discussed these ...
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Common terms and phrases
abbreviated AFRICA articulate brachiopods barrier islands benthic assemblages BENTHIC COMMUNITIES bicuspidata Gould bivalves bivalves and possible Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes Chonetid Community comma cross-bedded deeper-water subtidal conditions delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna Formation near Touws Frasnian gastropod genus Givetian Grahamstown high-diversity holotype homalonotid trilobite horizontal lamination Howison's Poort inarticulate infaunal interpreted Leda Lingula lepta LOWER WITTEBERG GROUP Museum Natural History namacolus Orbiculoidea overlain paratypes parentheses pedicle valve punctuation salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline shouldered italics siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid Community Stratigraphic subheadings are shouldered suspension feeders SWARTRUGGENS FORMATION Synonymy Tankard & Barwis taxa Theron thin tidal tidal-flat Touws River trace fossils Trigonoglossa Tropidoleptus sp Upper Devonian upward-fining cycles Wagen Drift Formation wash-over Weltevrede Formation Western Cape Witpoort Formation yielded marine invertebrate