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 222
... homalonotid trilobite , several genera of bivalves , and a bellerophontid gastropod ( Figs 7A - C , 8 ) . The brachiopods include a species of Lingula , Orbiculoidea baini ( Sharpe ) , which is known from the Bokkeveld Group , the ...
... homalonotid trilobite , several genera of bivalves , and a bellerophontid gastropod ( Figs 7A - C , 8 ) . The brachiopods include a species of Lingula , Orbiculoidea baini ( Sharpe ) , which is known from the Bokkeveld Group , the ...
Page 225
... trilobite remains . in some doubt but workers at the British Museum ( Natural History ) believe that it might be a ... homalonotid trilobites with the snail lectonotus , and Boucot ( 1975 ) has documented this association from many parts ...
... trilobite remains . in some doubt but workers at the British Museum ( Natural History ) believe that it might be a ... homalonotid trilobites with the snail lectonotus , and Boucot ( 1975 ) has documented this association from many parts ...
Page 228
... homalonotid trilobite and the gastropod Plectonotus . In contrast to this , two localities in the Wagen Drift Formation near Touws River have yielded a deeper - water subtidal assemblage dominated by articulate brachiopods , including ...
... homalonotid trilobite and the gastropod Plectonotus . In contrast to this , two localities in the Wagen Drift Formation near Touws River have yielded a deeper - water subtidal assemblage dominated by articulate brachiopods , including ...
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Common terms and phrases
abbreviated AFRICA articulate brachiopods barrier islands basal Witteberg beds benthic assemblages BENTHIC COMMUNITIES Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes comma cross-bedded delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna 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 Orbiculoidea overlain paratypes parentheses pedicle valve Plectonotus sp punctuation quartz arenite unit registration number ripple cross-laminated sandstone Roman numerals salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid 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 vicinity of Touws volume number Wagen Drift Formation wash-over WELTEVREDE FORMATION Fig Western Cape yielded marine invertebrate