Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 38
... ribs to 50-60 on margins . * Barrois , Pruvost , and Dubois , Mém . Soc . Geol . Nord , vi , 2 , fasc . 2 , 1920 , p . 76 , pl . x , figs . 13 , 14 . + Hall and Clarke , Palaeont . New York , vol . viii , Brach . I , p . 87 , pl . iii ...
... ribs to 50-60 on margins . * Barrois , Pruvost , and Dubois , Mém . Soc . Geol . Nord , vi , 2 , fasc . 2 , 1920 , p . 76 , pl . x , figs . 13 , 14 . + Hall and Clarke , Palaeont . New York , vol . viii , Brach . I , p . 87 , pl . iii ...
Page 44
... rib in ours recalls Ch . aroostookensis Clarke † from the Chapman Sandstone of Maine . Some of Clarke's Brazilian specimens attributed to Ch . falklandicus appear to bear a considerable resemblance to our form . Chonetes Stübeli ...
... rib in ours recalls Ch . aroostookensis Clarke † from the Chapman Sandstone of Maine . Some of Clarke's Brazilian specimens attributed to Ch . falklandicus appear to bear a considerable resemblance to our form . Chonetes Stübeli ...
Page 48
... ribs on each side of the sinus instead of 20-22 ) , while Knod ( op . cit . ) places it in his variety acuticostatus . Scupin , † in 1898 , pointed out that the group of species comprising Sp . arrectus Hall ( Sp . Murchisoni Castelnau ) ...
... ribs on each side of the sinus instead of 20-22 ) , while Knod ( op . cit . ) places it in his variety acuticostatus . Scupin , † in 1898 , pointed out that the group of species comprising Sp . arrectus Hall ( Sp . Murchisoni Castelnau ) ...
Page 49
... ribs on each side of it number 9-10 and are narrow . The median sinus is not equal to more than 2-2 ribs in width at the margin . The much - extended transverse alate typical form of Sp . antarcticus with acutely pointed lateral angles ...
... ribs on each side of it number 9-10 and are narrow . The median sinus is not equal to more than 2-2 ribs in width at the margin . The much - extended transverse alate typical form of Sp . antarcticus with acutely pointed lateral angles ...
Page 50
... ribs , becoming weaker near the cardinal angles , apart even from the ornamentation , serve to distinguish it , at any rate as a variety , though internal casts are generally difficult to identify . The ornamentation is beautifully ...
... ribs , becoming weaker near the cardinal angles , apart even from the ornamentation , serve to distinguish it , at any rate as a variety , though internal casts are generally difficult to identify . The ornamentation is beautifully ...
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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