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
... present study was to re - investigate some of the localities , in particular those near Grahamstown in the Eastern Cape and near Touws River in the Western Cape , to see if it was possible to recognize any of the benthic communities ...
... present study was to re - investigate some of the localities , in particular those near Grahamstown in the Eastern Cape and near Touws River in the Western Cape , to see if it was possible to recognize any of the benthic communities ...
Page 218
... present - day Brazos River delta of Texas and the São Francisco delta of Brazil ( Tankard & Barwis 1982 ) . Analysis of the sedimentary facies exposed in Howison's Poort , near Grahamstown ( Fig . 3 ) , shows that the upper part of the ...
... present - day Brazos River delta of Texas and the São Francisco delta of Brazil ( Tankard & Barwis 1982 ) . Analysis of the sedimentary facies exposed in Howison's Poort , near Grahamstown ( Fig . 3 ) , shows that the upper part of the ...
Page 226
... 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 of fossils ...
... 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 of fossils ...
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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