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
... preservation of the specimens is rather poor and identification beyond generic level is very difficult . The ... preserved for even generic identification . The assemblage is dominated by brachiopods but their distribution varies ...
... preservation of the specimens is rather poor and identification beyond generic level is very difficult . The ... preserved for even generic identification . The assemblage is dominated by brachiopods but their distribution varies ...
Page 225
... preserved . Such a life - style would mean that it could turn up in almost any shallow marine habitat but the association of orbiculoid and linguloid brachiopods is a common one in many Silurian and Devonian rocks of nearshore origin ...
... preserved . Such a life - style would mean that it could turn up in almost any shallow marine habitat but the association of orbiculoid and linguloid brachiopods is a common one in many Silurian and Devonian rocks of nearshore origin ...
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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