Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 215
Stratigraphy Sedimentary facies Fauna Palaeoecology Age Conclusions References Analysis of the sedimentary facies shows that the fossils come from a sequence of interbedded shales , siltstones and sandstones arranged in a number of thin ...
Stratigraphy Sedimentary facies Fauna Palaeoecology Age Conclusions References Analysis of the sedimentary facies shows that the fossils come from a sequence of interbedded shales , siltstones and sandstones arranged in a number of thin ...
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 brachiopod ( Fig . 7E ) , several articulate brachiopods ( Fig .
FAUNA The two localities within the Wagen Drift Formation near Touws River , from which material was collected for this study , have yielded an inarticulate brachiopod ( Fig . 7E ) , several articulate brachiopods ( Fig .
Page 226
The more stable infaunal environment permits a somewhat more diverse bivalve 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 ...
The more stable infaunal environment permits a somewhat more diverse bivalve 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 ...
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Common terms and phrases
abbreviated according articulate brachiopods association author's name authors basal bedding benthic assemblages bivalves Blinkberg Bokkeveld Group Boucot capital collected communities consists containing cycles delta deposited described Devonian Devonian rocks differences displaying DISTRIBUTARY diversity dominated Eastern environment environmental fauna figures gastropod homalonotid Howison's Poort illustrations inarticulate indicate infaunal interpreted intertidal italics known letters Lingula localities lower major marine marine invertebrates mark Member Middle mould Museum Natural History nearshore Note occur original periods placed plant fossils Plectonotus possible quartz arenites range recognized recorded references represent reworking salinity sandstones scientific sediment SEDIMENTARY FACIES separates sequence shales shallow siltstone similar Smith South African species specimens Stratigraphic subtidal suggest Tables Tankard thick thin Touws River trace fossils trilobite unit upper upward-fining valve Wagen Drift Formation Weltevrede Formation Western Cape Witpoort Formation Witteberg Group yielded Zoophycos