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 215
... assemblage suggests somewhat deeper water than the Weltevrede Formation assemblage , probably subtidal . The sedimentary facies of the Wagen Drift Formation are interpreted as having formed in a delta slope environment . The different ...
... assemblage suggests somewhat deeper water than the Weltevrede Formation assemblage , probably subtidal . The sedimentary facies of the Wagen Drift Formation are interpreted as having formed in a delta slope environment . The different ...
Page 226
... assemblage was made up of one or more co - existing communities . Benthic assemblages 1 and 2 are interpreted as ... assemblage 6 represents deeper water beyond the local shelf edge . For the Malvinok affric Realm ( a Silurian - Devonian ...
... assemblage was made up of one or more co - existing communities . Benthic assemblages 1 and 2 are interpreted as ... assemblage 6 represents deeper water beyond the local shelf edge . For the Malvinok affric Realm ( a Silurian - Devonian ...
Page 228
... assemblage dominated by infaunal bivalves but also containing orbiculoid and linguloid inarticulate brachiopods , Tropidoleptus ( an articulate brachiopod ) , a homalonotid trilobite and the gastropod Plectonotus . In contrast to this ...
... assemblage dominated by infaunal bivalves but also containing orbiculoid and linguloid inarticulate brachiopods , Tropidoleptus ( an articulate brachiopod ) , a homalonotid trilobite and the gastropod Plectonotus . In contrast to this ...
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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