Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
From inside the book
Results 1-3 of 29
Page 117
... narrow . Basipterygoid region constricted . Ectopterygoid large , pterygoid does not contact maxilla . Dentaries carry narrow dentary tables , dorsal edge of dentary carries deep sulcus . Coronoid process weak or absent . Weak lateral ...
... narrow . Basipterygoid region constricted . Ectopterygoid large , pterygoid does not contact maxilla . Dentaries carry narrow dentary tables , dorsal edge of dentary carries deep sulcus . Coronoid process weak or absent . Weak lateral ...
Page 136
... narrow . Ecto- pterygoid large , separating pterygoid from maxilla . Basipterygoid region con- stricted . Fused dentaries taper to form rounded anterior tip of lower jaw , no dentary tables present . Dorsal edge of dentary narrow ...
... narrow . Ecto- pterygoid large , separating pterygoid from maxilla . Basipterygoid region con- stricted . Fused dentaries taper to form rounded anterior tip of lower jaw , no dentary tables present . Dorsal edge of dentary narrow ...
Page 285
... narrow umbilicus , and steep umbilical walls . About 18 rursiradiate primaries terminate in small umbilical bullae from which arise bundles of 3-4 prorsiradiate secondaries , with 1-2 intercalated ribs between bundles . The inner whorls ...
... narrow umbilicus , and steep umbilical walls . About 18 rursiradiate primaries terminate in small umbilical bullae from which arise bundles of 3-4 prorsiradiate secondaries , with 1-2 intercalated ribs between bundles . The inner whorls ...
Other editions - View all
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 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 pereiopods Pereopod peristome posterior primary ribs prominent prorsiradiate secondaries ribs between bundles Riccardi Rogersites rursiradiate primaries secondary ribs segment setae slightly South African Museum Spath species spines Subastieria SUID-AFRIKAANSE MUSEUM Sundays River Sundays River Formation synonym Taraises Formation terminate Thieuloy Type specimen Type specimen Skull Uitenhage umbilical bullae umbilical seam umbilical shoulder umbilical tubercles umbilical walls umbilicus Upper Valanginian uropod Valanginian Vema venter ventral views whorl section