Annals of the South African Museum, Volume 83 |
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Page 192
Description Microconch ( 3 ) : the shell is rather small , with lappets present at diameters from 60-100 mm , and comprises somewhat inflated to rather compressed cadicones , involute up to the umbilical bullae so that about 75 per cent ...
Description Microconch ( 3 ) : the shell is rather small , with lappets present at diameters from 60-100 mm , and comprises somewhat inflated to rather compressed cadicones , involute up to the umbilical bullae so that about 75 per cent ...
Page 264
Description Microconch ( 6 ) : the shell is small , rarely larger than 60 mm diameter , and involute up to the umbilical bullae on the inner whorls , so that about 80 per cent of the preceding whorl is covered , but becoming slightly ...
Description Microconch ( 6 ) : the shell is small , rarely larger than 60 mm diameter , and involute up to the umbilical bullae on the inner whorls , so that about 80 per cent of the preceding whorl is covered , but becoming slightly ...
Page 333
bullae . Parabolae are lacking . 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 .
bullae . Parabolae are lacking . 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 .
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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 |