Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 216
... parts of the world , and to see if the environmental information provided by the
fossil record was consistent with proposed environmental interpretations WLC
SOUTH AFRICA z ܠܝ WE ДРЕ SOCT DA 100 200 kilometres fossil localities Fig
.
... parts of the world , and to see if the environmental information provided by the
fossil record was consistent with proposed environmental interpretations WLC
SOUTH AFRICA z ܠܝ WE ДРЕ SOCT DA 100 200 kilometres fossil localities Fig
.
Page 226
Associations of this sort just described were termed communities by Boucot (
1975 ) , who defined a community as a recurring association of taxa that require
the same range of environmental conditions or that are dependent on one
another .
Associations of this sort just described were termed communities by Boucot (
1975 ) , who defined a community as a recurring association of taxa that require
the same range of environmental conditions or that are dependent on one
another .
Page 228
Environmental differences are the important factors in determining the faunal
differences . CONCLUSIONS Rare Middle to Upper Devonian marine
invertebrates from a few widespread localities in the lower part of the Witteberg
Group ...
Environmental differences are the important factors in determining the faunal
differences . CONCLUSIONS Rare Middle to Upper Devonian marine
invertebrates from a few widespread localities in the lower part of the Witteberg
Group ...
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Common terms and phrases
abbreviated according AFRICA articulate brachiopods association author's name authors basal bedding benthic assemblages BENTHIC COMMUNITIES bivalves Blinkberg Bokkeveld Group Boucot capital collected communities consists containing cycles delta deposited described Devonian Devonian rocks differences DISTRIBUTARY diversity dominated Eastern environment environmental fauna figures gastropod homalonotid Howison's Poort illustrations inarticulate indicate infaunal interpreted intertidal Islands italics known letters Lingula localities lower major marine marine invertebrates mark Member Middle mould Museum Natural History nearshore Note occur original parentheses placed plant fossils Plectonotus punctuation quartz arenites range 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 valve Wagen Drift Formation Weltevrede Formation Western Cape Witpoort Formation Witteberg Group yielded Zoophycos