Annals of the South African Museum, Volume 59South African Museum, 1971 - Natural history |
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Page 78
... Hydrurga have similar projections , but in Hydrurga inflation of the alveolar region of the incisors renders the projections less prominent , and in the two Monachus species the projections are quite widely separated . In the fossil ...
... Hydrurga have similar projections , but in Hydrurga inflation of the alveolar region of the incisors renders the projections less prominent , and in the two Monachus species the projections are quite widely separated . In the fossil ...
Page 80
... Hydrurga , 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 ...
... Hydrurga , 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 ...
Page 81
... Hydrurga . The external opening of the carotid canal is located well forward of the posterior limit of the bulla , as in Hydrurga , Leptonychotes and Lobodon , but in contrast to the more posterior location in Ommatophoca , Mirounga and ...
... Hydrurga . The external opening of the carotid canal is located well forward of the posterior limit of the bulla , as in Hydrurga , Leptonychotes and Lobodon , but in contrast to the more posterior location in Ommatophoca , Mirounga and ...
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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