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
... dominated by brachiopods but their distribution varies within the formation . The articulate brachiopods come from the middle of the unit but recent collecting near the top , just below the junction with the overlying Blinkberg ...
... dominated by brachiopods but their distribution varies within the formation . The articulate brachiopods come from the middle of the unit but recent collecting near the top , just below the junction with the overlying Blinkberg ...
Page 228
... 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 , two ...
... 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 , two ...
Page 230
... dominated deltaic sedimentation in the Devonian Bokkeveld basin of South Africa . Journal of Sedimentary Petrology 52 ( 3 ) : 959–974 . TANKARD , A. J. , JACKSON , M. P. A. , ERIKSSON , K. A. , HOBDAY , D. K. , HUNTER , D. R. & MINTER ...
... dominated deltaic sedimentation in the Devonian Bokkeveld basin of South Africa . Journal of Sedimentary Petrology 52 ( 3 ) : 959–974 . TANKARD , A. J. , JACKSON , M. P. A. , ERIKSSON , K. A. , HOBDAY , D. K. , HUNTER , D. R. & MINTER ...
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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