Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 13
... height equal to less than half the diameter ; greatest diameter in the lower third . Apical disc rather small , not preserved . Ambulacra not quite as wide as the interambulacra . Poriferous zones undulating . Pores unigeminal , except ...
... height equal to less than half the diameter ; greatest diameter in the lower third . Apical disc rather small , not preserved . Ambulacra not quite as wide as the interambulacra . Poriferous zones undulating . Pores unigeminal , except ...
Page 17
... height of about 150 mm . , and its hinge- line is about 85 mm . long . One example shows the cast of the ligament area and grooves . This species resembles P. valida ( Stoliczka ) * from the Ariyalur Group ( Senonian ) of Southern India ...
... height of about 150 mm . , and its hinge- line is about 85 mm . long . One example shows the cast of the ligament area and grooves . This species resembles P. valida ( Stoliczka ) * from the Ariyalur Group ( Senonian ) of Southern India ...
Page 49
... height to length exhibited by the figured specimen of T. subventricosa be those which characterise the average shells of that form , then there is good ground for the separation of these three members of the Scabræ , which at the same ...
... height to length exhibited by the figured specimen of T. subventricosa be those which characterise the average shells of that form , then there is good ground for the separation of these three members of the Scabræ , which at the same ...
Page 65
... height 28 mm . A small specimen ( a left valve ) referable to the same species was found by Mr. Rogers in the Coega River Valley . Length 13 mm .; height 15 mm . Locality . Sunday's River ( 279 , 280 ) . Coega Valley , on the left side ...
... height 28 mm . A small specimen ( a left valve ) referable to the same species was found by Mr. Rogers in the Coega River Valley . Length 13 mm .; height 15 mm . Locality . Sunday's River ( 279 , 280 ) . Coega Valley , on the left side ...
Page 66
... height 42 mm . Occurrence . - Dunbrodie , in the cliff below the old school - house on the right bank of Sunday's River ( 305 , 306 ) . Remarks . This form is well distributed in the Neocomian ( princi- pally the Hauterivian ) and ...
... height 42 mm . Occurrence . - Dunbrodie , in the cliff below the old school - house on the right bank of Sunday's River ( 305 , 306 ) . Remarks . This form is well distributed in the Neocomian ( princi- pally the Hauterivian ) and ...
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Common terms and phrases
adult Ammonites angle aperture Aptian Astarte atherstoni Sharpe baini bank of Sunday's bone Broom carinal characters closely Coega collection comparison conocardiiformis convex costate curved Cutch Cynodonts d'Orbigny delicate developed Dicynodon dorsal elongated Eriphyla escutcheon Exogyra fauna figure flank flattened fossils frontal genus Geol Geological German East Africa Graaff-Reinet Gryponyx Hauterivian height herzogi Holcostephanus holubi imbricata Jurassic keel Krauss left valve length less Lower Cretaceous Lycett margin Massospondylus narrow Neocomian Neumayr occurs 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 strata striæ Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage Uitenhage beds Uitenhage Series umbilical umbo umbonal region upper W. T. Blanford whorl zoarium Zwartkop's River