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 216
... Chonetes ' ( brachiopod ) in sandstones in the lower divisions of the Witteberg Group near Robertson . Hiller & Dunlevey ( 1978 ) recorded brachiopods , bivalves and possible bryozoa from one of several localities in the basal unit of ...
... Chonetes ' ( brachiopod ) in sandstones in the lower divisions of the Witteberg Group near Robertson . Hiller & Dunlevey ( 1978 ) recorded brachiopods , bivalves and possible bryozoa from one of several localities in the basal unit of ...
Page 222
... Chonetes sp . and Tropidoleptus sp . have been recognized ( Boucot et al . 1983 ) . The first of these is well known from the Bokkeveld Group and its Falkland Islands and South American correlatives . The bivalves are too poorly ...
... Chonetes sp . and Tropidoleptus sp . have been recognized ( Boucot et al . 1983 ) . The first of these is well known from the Bokkeveld Group and its Falkland Islands and South American correlatives . The bivalves are too poorly ...
Page 228
... Chonetes and Tropidoleptus . Increas- ing numbers of the inarticulate Lingula near the top of the formation may indicate shallowing of the water . The different interpretations of the faunal assemblages from the two areas accord well ...
... Chonetes and Tropidoleptus . Increas- ing numbers of the inarticulate Lingula near the top of the formation may indicate shallowing of the water . The different interpretations of the faunal assemblages from the two areas accord well ...
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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