Annals of the South African Museum, Volume 99, Issue 7West, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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Page 216
... possibly bivalve impressions, along with trace fossils, in rocks of the lower
Witteberg Group in the Willowmore district. ... possible to recognize any of the
benthic communities that have been described from Silurian and Devonian rocks
from ...
... possibly bivalve impressions, along with trace fossils, in rocks of the lower
Witteberg Group in the Willowmore district. ... possible to recognize any of the
benthic communities that have been described from Silurian and Devonian rocks
from ...
Page 225
Such a life-style would mean that it could turn up in almost any shallow marine
habitat but the association of orbiculoid and linguloid brachiopods is a common
one in many Silurian and Devonian rocks of nearshore origin (Boucot 1975).
Such a life-style would mean that it could turn up in almost any shallow marine
habitat but the association of orbiculoid and linguloid brachiopods is a common
one in many Silurian and Devonian rocks of nearshore origin (Boucot 1975).
Page 228
AGE The general lack of fossils in the Witteberg Group has made dating of the
rocks rather difficult. ... whereas Stapleton (1977a, 1977b) used spores from the
same horizon to determine a Middle or Upper Devonian (Givetian-Frasnian) age.
AGE The general lack of fossils in the Witteberg Group has made dating of the
rocks rather difficult. ... whereas Stapleton (1977a, 1977b) used spores from the
same horizon to determine a Middle or Upper Devonian (Givetian-Frasnian) age.
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Common terms and phrases
abbreviated articulate brachiopods Australospirifer barrier islands benthic assemblages BENTHIC COMMUNITIES Blinkberg Formation Bokkeveld Group Boucot British Museum Natural bryozoa Chonetes COMMUNITIES AND SEDIMENTARY 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 orbiculoid and linguloid Orbiculoidea overlain paratypes parentheses pedicle valve Plectonotus sp possible bryozoa punctuation salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline shouldered italics siltstone and shale Silurian and Devonian South African Museum specimens Stratigraphic STRATIGRAPHY suspension feeders SWARTRUGGENS FORMATION Tankard & Barwis taxa Theron thin tidal tidal-flat Touws River trace fossils Trigonoglossa Tropidoleptus sp Upper Devonian valve of Lingula valve of Tropidoleptus Wagen Drift Formation wash-over Weltevrede Formation Western Cape Witpoort Formation Witteberg Group represent yielded marine invertebrate
Bibliographic information
| Title | Annals of the South African Museum, Volume 99, Issue 7 Annals of the South African Museum, South African Museum |
| Contributor | South African Museum |
| Publisher | West, Newman & Company for the trustees of the Museum, 1990 |
| Original from | the University of California |
| Digitized | 21 Jul 2016 |
| ISBN | 086813113X, 9780868131139 |
| Export Citation | BiBTeX EndNote RefMan |