Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 34
... shell which he referred to L. densa Hall , and probably is identical with it . Lingula lepta , Clarke . 1903. Lingula aff . densa Reed ( pars ) , Ann . S. Afr . Mus . vol . viii , pt . 3 , No. 7 , p . 167 , pl . xx , fig . 2 ( 123 S.A. ...
... shell which he referred to L. densa Hall , and probably is identical with it . Lingula lepta , Clarke . 1903. Lingula aff . densa Reed ( pars ) , Ann . S. Afr . Mus . vol . viii , pt . 3 , No. 7 , p . 167 , pl . xx , fig . 2 ( 123 S.A. ...
Page 35
... shells , which the author in 1903 considered allied to L. densa Hall , with Brazilian species ; the former gives one a new specific name , but the latter only compares it with the North American species L. manni Hall . Both , however ...
... shells , which the author in 1903 considered allied to L. densa Hall , with Brazilian species ; the former gives one a new specific name , but the latter only compares it with the North American species L. manni Hall . Both , however ...
Page 36
... shell is ornamented with regular equidistant sharp raised concentric lines which have fine concentric striae in the concave interspaces between them . The surface of the shell is also marked with 5-6 broad flat concentric bands of equal ...
... shell is ornamented with regular equidistant sharp raised concentric lines which have fine concentric striae in the concave interspaces between them . The surface of the shell is also marked with 5-6 broad flat concentric bands of equal ...
Page 37
... shell and therefore only visible when the shell is more or less removed or flaked off . Clarke , in 1913 ( op . cit . ) , remarked that the Parana shells are wholly devoid of the fine radial surface striation which Von Ammon's * Discina ...
... shell and therefore only visible when the shell is more or less removed or flaked off . Clarke , in 1913 ( op . cit . ) , remarked that the Parana shells are wholly devoid of the fine radial surface striation which Von Ammon's * Discina ...
Page 38
... shell thin , corneous . Dimensions ( 289 a , b , Univ . Cape ) : - Length Width ( max . ) • • 18.0 mm . . 16.5 mm . Remarks . There is only one specimen of this interesting shell which was collected from Keurbosch , Hex River district ...
... shell thin , corneous . Dimensions ( 289 a , b , Univ . Cape ) : - Length Width ( max . ) • • 18.0 mm . . 16.5 mm . Remarks . There is only one specimen of this interesting shell which was collected from Keurbosch , Hex River district ...
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Common terms and phrases
Anchiopella axial axis Baini Beil belong Bolivia bone Brit Calmonia Cape Univ capensis Ceres characters Chonetes Cladophlebis Clarke Conularia convex Cryphaeus Dalmanites described devon Devonian 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 Orbiculoidea Palaeoneilo Paléont Parana Phacops pinnae pinnules pits Plate pleurae pleural lobes posterior preserved Pseudoctenis Pterophyllum pygidium rachis radial Reed Rensselaeria resemblance Rhaetic Rhexoxylon Rhinesuchus ribs ring rounded S.A. Mus Salter Sandstone Schwarz secondary wood segments Seward shell side skull slightly South African Museum species specimen spines Spirifer surface Surv suture Taeniopteris TEXT-FIG Thinnfeldia thorax tracheids transverse tubercles Ulrich Upper valve veins venation Walkom width Williams and Breger XXII York State Mus Zeiller