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
... Fauna Palaeoecology Age Conclusions References CONTENTS 215 Ann . S. Afr . Mus . 99 ( 7 ) , 1990 : 215-230 , 10 figs . PAGE 216 217 218 222 225 228 228 229 INTRODUCTION The Witteberg Group , topmost division of the tripartite.
... Fauna Palaeoecology Age Conclusions References CONTENTS 215 Ann . S. Afr . Mus . 99 ( 7 ) , 1990 : 215-230 , 10 figs . PAGE 216 217 218 222 225 228 228 229 INTRODUCTION The Witteberg Group , topmost division of the tripartite.
Page 222
... FAUNA The two localities within the Wagen Drift Formation near Touws River , from which material was collected for this study , have yielded an inarticulate bra- chiopod ( Fig . 7E ) , several articulate brachiopods ( Fig . 7D ) ...
... FAUNA The two localities within the Wagen Drift Formation near Touws River , from which material was collected for this study , have yielded an inarticulate bra- chiopod ( Fig . 7E ) , several articulate brachiopods ( Fig . 7D ) ...
Page 226
... fauna to be present . The taxa that dominate the low - diversity communities of benthic assemblages 1 and 2 may also be found in high - diversity communities in deeper - water subtidal conditions ( Boucot et al . 1983 ) . The collection ...
... fauna to be present . The taxa that dominate the low - diversity communities of benthic assemblages 1 and 2 may also be found in high - diversity communities in deeper - water subtidal conditions ( Boucot et al . 1983 ) . The collection ...
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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