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 21
... species could change over time . Lyell rejected Cuvier's view of geological history as a series of cata- strophic ... species are replaced with species that have been newly created . Replacements of the biota would thus be slow , gradual ...
... species could change over time . Lyell rejected Cuvier's view of geological history as a series of cata- strophic ... species are replaced with species that have been newly created . Replacements of the biota would thus be slow , gradual ...
Page 310
... Species Act of 1973. However , due to the cost of the program ( the budget for the late 1990s was roughly $ 4.5 million ) , due to the increasing num- bers of species that need similar attention , and due especially to recent genetic ...
... Species Act of 1973. However , due to the cost of the program ( the budget for the late 1990s was roughly $ 4.5 million ) , due to the increasing num- bers of species that need similar attention , and due especially to recent genetic ...
Page 308
... species distribution that discrim- inated well between sites where the species was pres- ent and sites where it was absent , so an appropriate measure of model discrimination was required . If presence - absence data are available , the ...
... species distribution that discrim- inated well between sites where the species was pres- ent and sites where it was absent , so an appropriate measure of model discrimination was required . If presence - absence data are available , the ...
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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