Annals of the South African Museum, Volumes 79-80The Museum, 1980 - Natural history |
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Page 84
... orifice approximately semicircular , with a broad , shallow sinus proximally . Peristome prominent , thickened , fronto- terminal , secondary orifice orbicular ; spiramen medially situated , occasionally displaced laterally , half - way ...
... orifice approximately semicircular , with a broad , shallow sinus proximally . Peristome prominent , thickened , fronto- terminal , secondary orifice orbicular ; spiramen medially situated , occasionally displaced laterally , half - way ...
Page 96
... orifice longer than wide , bell - shaped , distal rim finely denticulate , proximal border concave below blunt lateral condyles . Peristome erect , thin , with a rounded notch proximally and frequently a small columnar avicularium ...
... orifice longer than wide , bell - shaped , distal rim finely denticulate , proximal border concave below blunt lateral condyles . Peristome erect , thin , with a rounded notch proximally and frequently a small columnar avicularium ...
Page 100
... orifice obscured by a tall , funnel - like peristome , curving out perpendicularly from the branch when undamaged . Peristomial orifice longer than broad , approximately quadrate in shape ; an adventitious avicularium on its distal ...
... orifice obscured by a tall , funnel - like peristome , curving out perpendicularly from the branch when undamaged . Peristomial orifice longer than broad , approximately quadrate in shape ; an adventitious avicularium on its distal ...
Contents
Acknowledgements | 32 |
INTRODUCTION | 34 |
Bathynataliidae is described and compared with Bathynatalia gilchristi The single specimen | 41 |
Copyright | |
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Common terms and phrases
Africa alcelaphine Ammonites Australiella australis avicularia basal basioccipital bed 3aS body chamber bovids braincase Bryozoa Campanian Campanian of Madagascar Collignon 1948 compressed condamyi condyle Coniacian Damalacra Damaliscus Delawarella Description Colony diameter differs distal dorsal elongated Eocene external tubercles Fabrosaurus fauna fossils frontal Gentry genus geol Heterodontosaurus holotype Hypsilophodon inner whorls keel Klinger Kobus Langebaanweg lateral tubercle lobes locality Lower Campanian Madagascar mandible marginal material Matsumoto 1970 medial Menabites metacarpal Middle Campanian Mortoniceras natalense ssp neanica occipital Occlusal length orifice ornament ornithischian ornithopods ovicell Paratexanites Paratype peristome phragmocone Plesiotexanites Pondoland posterior presoutoni proximal Quarry Raphicerus reduncine referred Reginaites ribs ridge Santonian South African Museum Spath species specimens spines St Lucia St Lucia Formation stangeri Baily station SM stratigraphic submarginal Submortoniceras suture teeth Texanites soutoni text-fig transverse tubercles tuberosities tucki umbilical wall umbilical width umkwelanense Umzamba Upper Santonian venter ventral ventrolateral whorl section woodsi zooids Zululand