Annals of the South African Museum, Volume 28South African Museum, 1932 - Natual history |
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Page 189
... ribs extend obliquely backwards ; posterior to the umbones are ribs extending obliquely backwards and more or less parallel to the posterior margin ; the anterior and posterior ribs are connected by less well - developed horizontal ribs ...
... ribs extend obliquely backwards ; posterior to the umbones are ribs extending obliquely backwards and more or less parallel to the posterior margin ; the anterior and posterior ribs are connected by less well - developed horizontal ribs ...
Page 215
... ribs and transverse riblets . In front of the middle the carina is accentuated by a strong , rounded , spiral rib . Posterior to the carinal rib , on the flattened part of the whorls , are five weaker spiral ribs separated by concave ...
... ribs and transverse riblets . In front of the middle the carina is accentuated by a strong , rounded , spiral rib . Posterior to the carinal rib , on the flattened part of the whorls , are five weaker spiral ribs separated by concave ...
Page 227
... ribs . In the former the transverse ribs are 14-18 in number , and they are continued anteriorly down the slope of the base of the body - whorl , becoming extinct before the canal is reached ; posteriorly the ribs are thickened very ...
... ribs . In the former the transverse ribs are 14-18 in number , and they are continued anteriorly down the slope of the base of the body - whorl , becoming extinct before the canal is reached ; posteriorly the ribs are thickened very ...
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Common terms and phrases
acetabulum acromion Albian angle anteriorly Anthodon aperture articulation articulatory surface Baily Beds bone Boonstra border Brachypareia rogersi Bradysaurus baini Broom capensis carina clavicle cleithrum concave convex coracoidal coracoidal plate Cretaceous Description.-Shell digit distal dorsal view edge elongate Embrithosaurus Equus facet fairly Fauna femur fibula figs figured foramen forms fossa Fossils Gastropoda Genus Geol girdle glenoid Glossopteris groove Haughton Hoepen holotype humerus iliac ilium internal trochanter ischial ischium Lamellibranchia left valve median moderately muscles narrow Neithea Nochelesaurus oblique ornamentation outer Pareiasaurian Pareiasaurus Pareiasuchus pelvis phalangeal Pondoland postaxial posterior posteriorly preaxial Propappus proximal pubic radial Rennie ribs ridge right valve rounded S.A. Mus scapula schwarzi seeleyi Senonian shaft shell skull slightly South African Museum Spath species specimen spiral splenial Stoliczka strong suture symphysis Tapinocephalus tarsal teeth TEXT-FIG tibia transverse tubercles Uitenhage ulna umbo umbones upper ventral margin width Woods XXVIII Zululand