Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 219
... distinguished from the suspected microconchs of O. densicostatus . Olcostephanus delicatecostatus Haas ( Fig . 65 ) from the Upper Valanginian of Colombia is characterized by ... the fineness and density of costation , there being ...
... distinguished from the suspected microconchs of O. densicostatus . Olcostephanus delicatecostatus Haas ( Fig . 65 ) from the Upper Valanginian of Colombia is characterized by ... the fineness and density of costation , there being ...
Page 296
... distinguished from O. baini baini ( ? ) . Measurements No. D H Wi W / H Uo Ui SAM - PCU1593 79 33 43 1,30 40 29 ( 37 ) ( 3 ) SAM - PCU1592 85 36 48 1,33 41 ? ( 6 ) SAM - PCU1596 79 37 51 1,38 35 26 ( 33 ) ( 5 ) SAM - PCU1595 73 33 41 1 ...
... distinguished from O. baini baini ( ? ) . Measurements No. D H Wi W / H Uo Ui SAM - PCU1593 79 33 43 1,30 40 29 ( 37 ) ( 3 ) SAM - PCU1592 85 36 48 1,33 41 ? ( 6 ) SAM - PCU1596 79 37 51 1,38 35 26 ( 33 ) ( 5 ) SAM - PCU1595 73 33 41 1 ...
Page 333
South African Museum. 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 ...
South African Museum. 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 ...
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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 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