Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 120
... segments and is convex and wider than the pleural lobes , as Lake says , and the pleurae have been described by him . The pygidium is large and possesses 7 rounded elevated un- furrowed pleurae , which are separated by interpleural ...
... segments and is convex and wider than the pleural lobes , as Lake says , and the pleurae have been described by him . The pygidium is large and possesses 7 rounded elevated un- furrowed pleurae , which are separated by interpleural ...
Page 131
... segments . The head - shield is much like that of D. africanus , but the glabella is more pentagonal , the two pairs ... segment ( 11285 ) in the British Museum , figured by Salter ( op . cit . , pl . xxv , fig . 3 ) as belonging to D ...
... segments . The head - shield is much like that of D. africanus , but the glabella is more pentagonal , the two pairs ... segment ( 11285 ) in the British Museum , figured by Salter ( op . cit . , pl . xxv , fig . 3 ) as belonging to D ...
Page 132
... segments attached , but the whole specimen is rather crushed . The axis of the thorax is broad , and there are lateral swellings on each ring ; the pleurae have a rather strong but rounded fulcrum at about half their length , and a deep ...
... segments attached , but the whole specimen is rather crushed . The axis of the thorax is broad , and there are lateral swellings on each ring ; the pleurae have a rather strong but rounded fulcrum at about half their length , and a deep ...
Page 134
... segments ) are complete , and the posterior ones ( 16-18 in number ) are incomplete across the middle . The last two pleurae arise from the sides of the axis some distance ( 7 or 8 rings ) from its tip ; all of the pleurae end a little ...
... segments ) are complete , and the posterior ones ( 16-18 in number ) are incomplete across the middle . The last two pleurae arise from the sides of the axis some distance ( 7 or 8 rings ) from its tip ; all of the pleurae end a little ...
Page 136
... segment widening laterally , smooth . Lateral border of head - shield gently convex above , with sharp outer edge , well defined from cheeks by shallow marginal furrow ; border narrowing much in front of * Clarke , Mem . 9 , New York ...
... segment widening laterally , smooth . Lateral border of head - shield gently convex above , with sharp outer edge , well defined from cheeks by shallow marginal furrow ; border narrowing much in front of * Clarke , Mem . 9 , New York ...
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Common terms and phrases
Anchiopella axial axis Baini Beil belong Bolivia bone Brit Calmonia Cape Univ Ceres characters Chonetes Cladophlebis Clarke Conularia convex Cryphaeus Dalmanites described devon Devonian Feist figs figured Flora Foss fossil frond frontal genal angles genus Geol Ginkgoites glabella granules head-shield Herscheli Homalonotus Ibid internal cast Knod Kozlowski lateral furrows length margin median Modiomorpha Molteno Molteno Beds Neues Jahrb Nuculites oblique Palaeoneilo Paléont Parana parasphenoid Phacops pinnae pinnules pits Plate pleurae pleural lobes posterior preserved Pseudoctenis Pterophyllum pterygoid pygidium rachis radial Reed Rensselaeria resemblance Rhaetic Rhexoxylon Rhinesuchus ribs ring rounded S.A. Mus Salter Sandstone Schwarz segments Seward shell side skull slightly South African Museum species specimen spines Spirifer surface Surv suture Taeniopteris Tapinocephalus TEXT-FIG Thinnfeldia thorax tracheids transverse tubercles Ulrich Upper valve veins venation Walkom width Williams and Breger XXII York State Mus Zeiller