Annals of the South African Museum, Volume 59South African Museum, 1971 - Natural history |
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Page 80
... Ommatophoca and Mirounga , but not M. monachus , Lobodon and Leptonychotes . The supra- and post - orbital regions of the frontal bones are essentially similar to those of Hydrurga , Lobodon and Ommatophoca , and are not parallel ...
... Ommatophoca and Mirounga , but not M. monachus , Lobodon and Leptonychotes . The supra- and post - orbital regions of the frontal bones are essentially similar to those of Hydrurga , Lobodon and Ommatophoca , and are not parallel ...
Page 88
... Ommatophoca and Hydrurga . In Ommatophoca and Mirounga the distal articular surface is roughly rectangular , and the anteromedial quarter curves on to the medial surface . In Hydrurga , Lobodon and Monachus the anteromedial corner of ...
... Ommatophoca and Hydrurga . In Ommatophoca and Mirounga the distal articular surface is roughly rectangular , and the anteromedial quarter curves on to the medial surface . In Hydrurga , Lobodon and Monachus the anteromedial corner of ...
Page 106
... Ommatophoca . The teeth of Lobodon are more like the ancestral monachine condition in this respect . Kellogg ( 1942 : 453 ) has already suggested that P. rovereti might be ancestral to Leptonychotes . This suggestion is not affected by ...
... Ommatophoca . The teeth of Lobodon are more like the ancestral monachine condition in this respect . Kellogg ( 1942 : 453 ) has already suggested that P. rovereti might be ancestral to Leptonychotes . This suggestion is not affected by ...
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Common terms and phrases
Adam & Rees Africa Agriotherium ant.post Ant.transv anteriorly bicornis biserial bones burnupi CALIFOR canines Cape capensis Ceratotherium praecox coast cusps dentary dentition developed diameter Dicynodontia Dinocephalia distal dorsal dorsal arms early therapsids ectoloph elongated Endothiodontidae enlarged female figs foramen fossil genus Gorgonopsia Hemisepius HENDEY hieronis holotype Hooijer Hydrurga incisors Indarctos inner cone joubini Langebaanweg larvae lateral Leptonychotes Lobodon male mantle margin Massy median medisinus molars monachine Monachus Natal ossified outer cone papillata Parapapio pelycosaurs Permian phocids phragmocone Phthinosuchus pigmentation pinniped Pleistocene Pliocene Post.transv postcanines posteriorly postorbital premaxilla primitive Prionodelphis Protective membranes protocone proximal quadriserial Relative dimensions Robson rows seals Sepia Sepiidae shell simoniana simum skull South African Museum species specimen sphenacodonts squamosal standard length striated zone subequal suckers surface TABLE teeth temporal fenestra Tentacular club therapsids Therocephalia Titanosuchidae Trachurus transverse typica upper ventral arm ventral views vermiculata width