Annals of the South African Museum, Volume 4The Museum - Natural history |
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Page 176
... rounded and equal ribs separated by narrower grooves . There is a thick elevated hinge - plate , notched anteriorly and swollen and bilobed posteriorly ; a broad rounded ridge continued forwards into a thin vertical septum lies in front ...
... rounded and equal ribs separated by narrower grooves . There is a thick elevated hinge - plate , notched anteriorly and swollen and bilobed posteriorly ; a broad rounded ridge continued forwards into a thin vertical septum lies in front ...
Page 183
... rounded and deep , but increases only slightly in width towards the front ; there are 20-22 regular rounded ribs on each side separated by rounded narrower interspaces ; the rib on each side of the sinus is slightly larger and more ...
... rounded and deep , but increases only slightly in width towards the front ; there are 20-22 regular rounded ribs on each side separated by rounded narrower interspaces ; the rib on each side of the sinus is slightly larger and more ...
Page 188
... rounded radiating subequal plications , strong near the margin but becoming weaker towards the beak . The pedicle valve has a small pointed beak and a longitudinal median groove bordered by ribs rather larger than the rest . Ulrich ( op ...
... rounded radiating subequal plications , strong near the margin but becoming weaker towards the beak . The pedicle valve has a small pointed beak and a longitudinal median groove bordered by ribs rather larger than the rest . Ulrich ( op ...
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Common terms and phrases
angles Anomodonts axis baini beak beds Bokkeveld bone Brachial valve Brachiopoda British Museum Brongn browniana canine Carruthers Ceres Chonetes Cladophlebis closely described Devonian elongata Feistmantel fern figured flabellites Flora fossil fragments frond furrows Gamka Poort genus Geol Geological glabella Glossopteris grooves Gydo Pass humerus Ibid identical imperfect internal cast Journ Jurassic lamina leaf lobes lower Lystrosaurus margin maxillary median midrib Morris and Sharpe Nathorst Neuropteridium numerous odontopteroides orbignyi Palæont palate Pareiasaurus Pecopteris pedicle pedicle valve Phacops pinna pinnæ pinnules plant Plate portion posterior precoracoid preserved prevomers probably Proterosuchus pterygoid Quart rachis represented in pl resemblance Rhætic ribs rocks Salter Sandstone Saporta Schimper segments Seward shown in fig shows slightly South African species specimen Sphenopteris Spirifer Spirophyton stem Stormberg surface Taniopteris Tate teeth Theriodonts Thinnfeldia Titanosuchus type-specimen Typhloniscus Uitenhage Ulrich upper veins venation Vereeniging vertebræ viii vomer Wealden width Zamites Zeiller