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 215
... localities in the lower part of the Witteberg Group . The specimens represent a number of shallow - water communities similar to those recognized in Silurian and Devonian rocks from other parts of the world . At a single locality near ...
... localities in the lower part of the Witteberg Group . The specimens represent a number of shallow - water communities similar to those recognized in Silurian and Devonian rocks from other parts of the world . At a single locality near ...
Page 216
... localities in the lower part of the group ( Fig . 1 ) . Swart ( 1950 ) recorded the presence of the inarticulate brachiopod Lingula and further indeterminate brachiopods and bivalves in the lowest part of the Witteberg Group in the ...
... localities in the lower part of the group ( Fig . 1 ) . Swart ( 1950 ) recorded the presence of the inarticulate brachiopod Lingula and further indeterminate brachiopods and bivalves in the lowest part of the Witteberg Group in the ...
Page 228
... localities in the lower part of the Witteberg Group represent a number of benthic communities similar to those recorded from other parts of the world . The locality at Howison's Poort in the Eastern Cape has yielded an intertidal ...
... localities in the lower part of the Witteberg Group represent a number of benthic communities similar to those recorded from other parts of the world . The locality at Howison's Poort in the Eastern Cape has yielded an intertidal ...
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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