Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
From inside the book
Results 1-3 of 30
Page 192
... arise bundles of 3-4 secondaries , with 1-2 intercalatories between bundles . There are 40-50 secondary ribs per half whorl . Parabolae absent at all growth stages . Peristome simple . Description Microconch ( 3 ) : the shell is rather ...
... arise bundles of 3-4 secondaries , with 1-2 intercalatories between bundles . There are 40-50 secondary ribs per half whorl . Parabolae absent at all growth stages . Peristome simple . Description Microconch ( 3 ) : the shell is rather ...
Page 213
... arise bundles of 4-6 , fine , prorsiradiate secondaries with intercalated ribs between bundles , so that there are 36 secondaries across the venter per 7 umbilical bullae on the outer whorl of the holotype . Parabolae are lacking at all ...
... arise bundles of 4-6 , fine , prorsiradiate secondaries with intercalated ribs between bundles , so that there are 36 secondaries across the venter per 7 umbilical bullae on the outer whorl of the holotype . Parabolae are lacking at all ...
Page 216
... arise bundles of 4-5 fine , prorsiradiate secondaries . Parabolae are lacking . In view of the side - by - side occurrence of this species with O. sakalavensis in the Spiti Shales ( Fatmi 1977 ) they are herein Fig . 60. Olcostephanus ...
... arise bundles of 4-5 fine , prorsiradiate secondaries . Parabolae are lacking . In view of the side - by - side occurrence of this species with O. sakalavensis in the Spiti Shales ( Fatmi 1977 ) they are herein Fig . 60. Olcostephanus ...
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