Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 13
... tubercle ( either very slightly or not at all crenulate ) , with a large areola , and a few small tubercles and granules around the margin . The primary tubercles are largest at the ambitus , and smaller on the dorsal surface ( 13 )
... tubercle ( either very slightly or not at all crenulate ) , with a large areola , and a few small tubercles and granules around the margin . The primary tubercles are largest at the ambitus , and smaller on the dorsal surface ( 13 )
Page 14
... tubercle with an areola of moderate size ; these tubercles are largest at the ambitus , where they are surrounded by a narrow band of small tubercles and granules . Above the ambitus , and on the base of the test , the primary tubercles ...
... tubercle with an areola of moderate size ; these tubercles are largest at the ambitus , where they are surrounded by a narrow band of small tubercles and granules . Above the ambitus , and on the base of the test , the primary tubercles ...
Page 95
... tubercles less closely crowded together and less regularly moniliform than in the specimens from South Africa . It is difficult to say in how far these characters may have been the product of strictly local conditions . certainly ...
... tubercles less closely crowded together and less regularly moniliform than in the specimens from South Africa . It is difficult to say in how far these characters may have been the product of strictly local conditions . certainly ...
Page 99
... valves clearly marked lines of growth are well seen as they cross the interspaces , but are either little conspicuous or absent on the tubercles of the ribs . In the largest individuals The Invertebrate Fauna of the Uitenhage Series . 99.
... valves clearly marked lines of growth are well seen as they cross the interspaces , but are either little conspicuous or absent on the tubercles of the ribs . In the largest individuals The Invertebrate Fauna of the Uitenhage Series . 99.
Page 100
South African Museum. the tubercles of the ribs . In the largest individuals , characters of senility are seen in the imperfect rib - formation near the lower margin , and the replacement of sculpture by simple ridges and lines of ...
South African Museum. the tubercles of the ribs . In the largest individuals , characters of senility are seen in the imperfect rib - formation near the lower margin , and the replacement of sculpture by simple ridges and lines 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