Annals of the South African Museum, Volume 28South African Museum, 1932 - Natual history |
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Page 218
... transverse ribs which are continued over the body whorl ; subsequent authors , however , have assigned to D. papilionacea forms in which the transverse ribs are more or less obsolete on the body whorl , as in our species , and less ...
... transverse ribs which are continued over the body whorl ; subsequent authors , however , have assigned to D. papilionacea forms in which the transverse ribs are more or less obsolete on the body whorl , as in our species , and less ...
Page 223
... transverse ribs are somewhat irregular and nodular where crossed by the spiral ribs ; finer spiral riblets are intercalated between the principal spiral ribs . On all the whorls there are numerous fine , rather sinuous , transverse ...
... transverse ribs are somewhat irregular and nodular where crossed by the spiral ribs ; finer spiral riblets are intercalated between the principal spiral ribs . On all the whorls there are numerous fine , rather sinuous , transverse ...
Page 227
... transverse 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 ...
... transverse 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 ...
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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