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 225
... association in Silurian and Devonian rocks is that of homalonotid trilobites with the snail lectonotus , and Boucot ( 1975 ) has documented this association from many parts of the world . It is not certain what sort of life habits were ...
... association in Silurian and Devonian rocks is that of homalonotid trilobites with the snail lectonotus , and Boucot ( 1975 ) has documented this association from many parts of the world . It is not certain what sort of life habits were ...
Page 226
... Associations of this sort just described were termed communities by Boucot ( 1975 ) , who defined a community as a recurring association of taxa that require the same range of environmental conditions or that are dependent on one ...
... Associations of this sort just described were termed communities by Boucot ( 1975 ) , who defined a community as a recurring association of taxa that require the same range of environmental conditions or that are dependent on one ...
Page 229
... associations of the lower Llandovery ( Silurian ) Beechill Cove Formation , Arisaig , Nova Scotia . Canadian Journal of ... Association of Canada . SOUTH AFRICAN COMMITTEE FOR STRATIGRAPHY . 1980. Stratigraphy of South Africa . Part 1 ...
... associations of the lower Llandovery ( Silurian ) Beechill Cove Formation , Arisaig , Nova Scotia . Canadian Journal of ... Association of Canada . SOUTH AFRICAN COMMITTEE FOR STRATIGRAPHY . 1980. Stratigraphy of South Africa . Part 1 ...
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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