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 218
... yielded marine invertebrates . Overlying the Weltevrede Formation , the Witpoort Formation again consists of thick cross - bedded quartz arenites and thin carbonaceous shales . Plant fossils and trace fossils have been recorded ...
... yielded marine invertebrates . Overlying the Weltevrede Formation , the Witpoort Formation again consists of thick cross - bedded quartz arenites and thin carbonaceous shales . Plant fossils and trace fossils have been recorded ...
Page 222
... yielded an inarticulate bra- chiopod ( Fig . 7E ) , several articulate brachiopods ( Fig . 7D ) , bivalves and ... yielded only specimens of Lingula lepta . The Howison's Poort locality has yielded inarticulate brachiopods , an arti ...
... yielded an inarticulate bra- chiopod ( Fig . 7E ) , several articulate brachiopods ( Fig . 7D ) , bivalves and ... yielded only specimens of Lingula lepta . The Howison's Poort locality has yielded inarticulate brachiopods , an arti ...
Page 228
... yielded an intertidal assemblage dominated by infaunal bivalves but also containing orbiculoid and linguloid inarticulate brachiopods , Tropidoleptus ( an articulate brachiopod ) , a homalonotid trilobite and the gastropod Plectonotus ...
... yielded an intertidal assemblage dominated by infaunal bivalves but also containing orbiculoid and linguloid inarticulate brachiopods , Tropidoleptus ( an articulate brachiopod ) , a homalonotid trilobite and the gastropod Plectonotus ...
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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