Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 2
... apertures of the same series one - half times to once the diameter of an aperture ; between apertures of neighbouring series twice to four times . Zoœcia immersed . There are three fragments of this species , one of which is figured ...
... apertures of the same series one - half times to once the diameter of an aperture ; between apertures of neighbouring series twice to four times . Zoœcia immersed . There are three fragments of this species , one of which is figured ...
Page 3
... Apertures irregularly arranged ; the distance between the apertures in a proximal - distal direction is about once the diameter of an aperture ; that in a direction at right angles to the last is once or less than once the diameter of an ...
... Apertures irregularly arranged ; the distance between the apertures in a proximal - distal direction is about once the diameter of an aperture ; that in a direction at right angles to the last is once or less than once the diameter of an ...
Page 4
... apertures on the obverse face ; the apertures are in single lateral series , and circular . * See W. D. Lang , Geol . Mag . , 1907 , p . 125 . ↑ J. W. Gregory , Brit . Mus . Cat . Cret . Bry . , 1899 , vol . i . , pp . 159 , 168 , and ...
... apertures on the obverse face ; the apertures are in single lateral series , and circular . * See W. D. Lang , Geol . Mag . , 1907 , p . 125 . ↑ J. W. Gregory , Brit . Mus . Cat . Cret . Bry . , 1899 , vol . i . , pp . 159 , 168 , and ...
Page 5
... apertures in each lateral series ; the apertures are circular , all of one size ; those of the same series are distant less than one diameter of an aperture ; those of different series two or three diameters of an aperture . This ...
... apertures in each lateral series ; the apertures are circular , all of one size ; those of the same series are distant less than one diameter of an aperture ; those of different series two or three diameters of an aperture . This ...
Page 6
... apertures ; the apertures are circular ; the zoœcia are emergent . Idmonea filiformis , d'Orbigny ( Bry . Crét . , 1853 , p . 744 , pl . 750 , figs . 1-5 ) , and Idmonea lata , d'Orbigny ( Bry . Crét . , 1853 , p . 734 , pl . 748 , figs ...
... apertures ; the apertures are circular ; the zoœcia are emergent . Idmonea filiformis , d'Orbigny ( Bry . Crét . , 1853 , p . 744 , pl . 750 , figs . 1-5 ) , and Idmonea lata , d'Orbigny ( Bry . Crét . , 1853 , p . 734 , pl . 748 , figs ...
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Common terms and phrases
Acanthodiscus adult Ammonites angle aperture Aptian Astarte atherstoni Sharpe bank of Sunday's bone Broom carinal characters closely Coega collection comparison conocardiiformis convex Cutch Cynodonts d'Orbigny developed diameter Dicynodon differs distal dorsal Dunbrodie elongated Eriphyla escutcheon Exogyra fauna figured flank flattened fossils frontal genus Geol Geological Graaff-Reinet greatest groove Gryponyx Hauterivian height herzogi Holcostephanus holubi imbricata Jurassic keel Kitchin Krauss left valve length less Lower Cretaceous Lycett Lystrosaurus margin Massospondylus narrow Neocomian Neumayr occur ornamentation outline Pareiasaurus Pavlow Pecten phalanx Plate posterior posteriorly preserved probably represented resemblance ribs ridges Right valve Rogers and Schwarz sculpture Seeley shell similar slightly South African Museum species specimen spiral stage Stoliczka Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage Uitenhage beds Uitenhage Series uitenhagensis sp umbilical umbo umbonal region upper W. T. Blanford whorl zoarium Zwartkop's River