Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 2
... flattened , solid branches , in one plane . Zoœcia only opening on one face of 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 ...
... flattened , solid branches , in one plane . Zoœcia only opening on one face of 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 ...
Page 7
... flattened in a plane parallel to the obverse and reverse faces ; without dorsal processes ; reverse face flat or concave ; zoœcia three or four in a lateral series , im- mersed but the boundaries are clearly marked ; the distance ...
... flattened in a plane parallel to the obverse and reverse faces ; without dorsal processes ; reverse face flat or concave ; zoœcia three or four in a lateral series , im- mersed but the boundaries are clearly marked ; the distance ...
Page 8
... flatten and widen , thus recapitulating the growth stages of the first part of the zoarium ; or whether the first part is really an encrusting portion , whose support has decayed , which has thrown up cylindrical branches in the same ...
... flatten and widen , thus recapitulating the growth stages of the first part of the zoarium ; or whether the first part is really an encrusting portion , whose support has decayed , which has thrown up cylindrical branches in the same ...
Page 13
... flattened below , somewhat concave around the peristome ; 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 ...
... flattened below , somewhat concave around the peristome ; 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 ...
Page 14
... perhaps belong to Cassidulus . BRACHIOPODA . THECIDEA ( LACAZELLA ) , sp . Text. Ambulacral and interambulacral areas . the flattened part of the shell extending ventrally from the. 14 Annals of the South African Museum .
... perhaps belong to Cassidulus . BRACHIOPODA . THECIDEA ( LACAZELLA ) , sp . Text. Ambulacral and interambulacral areas . the flattened part of the shell extending ventrally from the. 14 Annals of the South African Museum .
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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