Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 1
... zoarium and distribution of the zoœcia are such that the genus occupies an intermediate place * J. W. Gregory , B.M. Cat . Cret . Bryozoa , vol . i . , 1899 , p . 67 . E. Pergens , Rev. de Bry . du Cret . fig . par d'Orb . , Bull de la ...
... zoarium and distribution of the zoœcia are such that the genus occupies an intermediate place * J. W. Gregory , B.M. Cat . Cret . Bryozoa , vol . i . , 1899 , p . 67 . E. Pergens , Rev. de Bry . du Cret . fig . par d'Orb . , Bull de la ...
Page 2
... zoarium . Apertures tend to arrange- ment in V - shaped bands across the zoarium , but their distribution is somewhat irregular ; four or five in a series ; distance between apertures of the same series one - half times to once the ...
... zoarium . Apertures tend to arrange- ment in V - shaped bands across the zoarium , but their distribution is somewhat irregular ; four or five in a series ; distance between apertures of the same series one - half times to once the ...
Page 3
... Zoarium of erect bilaminar fronds . Zoccia immersed , and their boundaries not apparent , or very slightly so . Apertures irregularly arranged ; the distance between the apertures in a proximal - distal direction is about once the ...
... Zoarium of erect bilaminar fronds . Zoccia immersed , and their boundaries not apparent , or very slightly so . Apertures irregularly arranged ; the distance between the apertures in a proximal - distal direction is about once the ...
Page 4
... Zoarium of a single zoœcium - bearing ridge , without a selvage short ( about thrice as long as broad ) , rapidly becoming broader distally . The only specimen of this species has a flat reverse face , but does not encrust any object ...
... Zoarium of a single zoœcium - bearing ridge , without a selvage short ( about thrice as long as broad ) , rapidly becoming broader distally . The only specimen of this species has a flat reverse face , but does not encrust any object ...
Page 5
... Zoarium subcylindrical , and the reverse face is convex or flat ; there is no keel on the obverse face ; the zoœcia are immersed , and when the reverse face is flat the zoocial boundaries are clearly marked ; the lateral series of ...
... Zoarium subcylindrical , and the reverse face is convex or flat ; there is no keel on the obverse face ; the zoœcia are immersed , and when the reverse face is flat the zoocial boundaries are clearly marked ; the lateral series of ...
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Common terms and phrases
Acanthodiscus adult Ammonites angle aperture Aptian Astarte atherstoni Sharpe baini bank of Sunday's bone breadth Broom carinal characters closely Coega collection comparison conocardiiformis convex costate Cutch Cynodonts d'Orbigny developed diameter dorsal elongated Eriphyla escutcheon Exogyra fauna figure flank flattened fossils frontal genus Geol Geological German East Africa Graaff-Reinet groove Hauterivian height herzogi Holcostephanus holubi imbricata Jurassic keel Kitchin Krauss left valve length less Lower Cretaceous Lycett margin Massospondylus narrow Neocomian Neumayr occur Oolitic Oomia beds ornamentation outline Pareiasaurus Pavlow Pecten Plate posterior posteriorly preserved represented resemblance ribs ridges right valve Rogers and Schwarz rogersi sculpture shell similar slightly South African Museum species specimen spiral stage Stoliczka stowi Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage Uitenhage beds Uitenhage Series umbilical umbilicus umbo umbonal region upper W. T. Blanford whorl zoarium Zwartkop's River