Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 173
South African Museum. Umbilical tubercles give rise to 1-2 weak ribs leading to ventrolateral tubercles ; ribbing normally subordinate to tubercles on outer whorl , but may be sharp at some stages ( after Wright in Arkell et al . 1957 ) ...
South African Museum. Umbilical tubercles give rise to 1-2 weak ribs leading to ventrolateral tubercles ; ribbing normally subordinate to tubercles on outer whorl , but may be sharp at some stages ( after Wright in Arkell et al . 1957 ) ...
Page 307
... umbilical shoulder . On the final whorl the primaries become very weak , disappearing entirely on the internal mould , and the tubercles become swollen and rounded , as well as fewer ( 15 ) in number . Flexuous prorsiradiate secondaries ...
... umbilical shoulder . On the final whorl the primaries become very weak , disappearing entirely on the internal mould , and the tubercles become swollen and rounded , as well as fewer ( 15 ) in number . Flexuous prorsiradiate secondaries ...
Page 345
... umbilical wall is gently sloping , with a well - rounded umbilical shoulder . Measurements No. BM - C32197 On the ... tubercles and stronger ribs which bifurcate or trifurcate from a prominent lateral tubercle and also have umbilical ...
... umbilical wall is gently sloping , with a well - rounded umbilical shoulder . Measurements No. BM - C32197 On the ... tubercles and stronger ribs which bifurcate or trifurcate from a prominent lateral tubercle and also have umbilical ...
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Common terms and phrases
abbreviations adoral portion Africa Ammonites Amphipoda Astieria atherstoni Sharpe Barnard Baumberger Besairie bicuspidata bifurcate Bochianites body chamber Böse Broom Cantu Chapa Cape Province Cape Town carapace Cistecephalus Collignon compressed Coxa Crustacea d'Orbigny Decapoda densicostatus dentary diameter Dicynodon Diictodon dimorphism distal Distoloceras dorsal fauna figured final whorl forms genera genus growth stages Hauterivian holotype Imlay inflated inner whorls intercalated ribs Kingoria lateral views lectotype macroconch male margin material Maxilla Maxilliped Olcostephanus Olcostephanus Oudenodon outer whorl parabolae Paramelita paratypes Peponocephala Pereopod peristome posterior primary ribs prominent prorsiradiate secondaries ribs between bundles Riccardi RMT RMT Rogersites rursiradiate primaries secondary ribs segment setae Skull slightly South African Museum Spath species spines Subastieria SUID-AFRIKAANSE MUSEUM Sundays River Sundays River Formation synonym Taraises Formation terminate Thieuloy Type specimen Uitenhage umbilical bullae umbilical seam umbilical shoulder umbilical tubercles umbilical walls umbilicus Upper Valanginian uropod Valanginian Vema venter ventral views whorl section
Bibliographic information
| Title | Annals of the South African Museum, Volume 83 Annals of the South African Museum, South African Museum Volume 83 of Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, South African Museum |
| Author | South African Museum |
| Publisher | The Museum, 1981 |
| Original from | the University of California |
| Digitized | 9 Dec 2009 |
| ISBN | 0868130060, 9780868130064 |
| Export Citation | BiBTeX EndNote RefMan |