Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
From inside the book
Results 1-5 of 53
Page 163
... suture falls at the bluntly angular margin of the whorls , so that the general figure of the shell in profile is that of a cone with little excavation at the sutural depressions and inconspicuous convexity of the outline between these ...
... suture falls at the bluntly angular margin of the whorls , so that the general figure of the shell in profile is that of a cone with little excavation at the sutural depressions and inconspicuous convexity of the outline between these ...
Page 164
... suture . * Zittel ( 4 ) , p . 337 , Taf . 50 , figs . 5 , 6 . Stanton ( 3 ) , p . 29 , pl . vii . , figs . 1 , 2 . prominently projecting longitudinal ( spiral ) keel limiting the trun- 164 Annals of the South African Museum . BAURIA ...
... suture . * Zittel ( 4 ) , p . 337 , Taf . 50 , figs . 5 , 6 . Stanton ( 3 ) , p . 29 , pl . vii . , figs . 1 , 2 . prominently projecting longitudinal ( spiral ) keel limiting the trun- 164 Annals of the South African Museum . BAURIA ...
Page 165
... suture is situated on the lower marginal keel of the whorls . The mouth has an angular outer lip , corresponding with the form of the whorls . The outer margin of the aperture is thin and sharp ; under the columella the margin is ...
... suture is situated on the lower marginal keel of the whorls . The mouth has an angular outer lip , corresponding with the form of the whorls . The outer margin of the aperture is thin and sharp ; under the columella the margin is ...
Page 167
... suture , terminating abruptly at a prominent marginal keel which marks the upper limit of the outer truncated face of the whorl . This truncated portion is straight in profile in the earlier whorls , but becomes gently but distinctly ...
... suture , terminating abruptly at a prominent marginal keel which marks the upper limit of the outer truncated face of the whorl . This truncated portion is straight in profile in the earlier whorls , but becomes gently but distinctly ...
Page 168
... suture , but vertically truncated at the periphery . The truncated marginal band * Zittel ( 4 ) , p . 321 , pl . xlviii . , fig . 10 . is bounded above and below by a prominent longitudinal ( 168 Annals of the South African Museum .
... suture , but vertically truncated at the periphery . The truncated marginal band * Zittel ( 4 ) , p . 321 , pl . xlviii . , fig . 10 . is bounded above and below by a prominent longitudinal ( 168 Annals of the South African Museum .
Other editions - View all
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