Annals of the South African Museum, Volume 83 |
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Page 173
Umbilical tubercles give rise to 1-2 weak ribs leading to ventrolateral tubercles ; ribbing normally subordinate to ... Inner whorls with numerous , fine primaries giving rise to 2-3 flexuous secondary ribs with intercalatories between ...
Umbilical tubercles give rise to 1-2 weak ribs leading to ventrolateral tubercles ; ribbing normally subordinate to ... Inner whorls with numerous , fine primaries giving rise to 2-3 flexuous secondary ribs with intercalatories between ...
Page 192
Primary ribs rursiradiate , terminating in 17-25 bullae at the umbilical shoulder from which arise bundles of 3-4 secondaries , with 1-2 intercalatories between bundles . There are 40-50 secondary ribs per half whorl .
Primary ribs rursiradiate , terminating in 17-25 bullae at the umbilical shoulder from which arise bundles of 3-4 secondaries , with 1-2 intercalatories between bundles . There are 40-50 secondary ribs per half whorl .
Page 333
This species may be distinguished from the present material by its more numerous umbilical bullae and finer , denser secondary ribs . Somogyi ( 1916 ) distinguished O. sayni gerecseiensis ( Fig . 184 ) on the basis of its flexuous ...
This species may be distinguished from the present material by its more numerous umbilical bullae and finer , denser secondary ribs . Somogyi ( 1916 ) distinguished O. sayni gerecseiensis ( Fig . 184 ) on the basis of its flexuous ...
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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 |