Annals of the South African Museum, Volume 59South African Museum, 1971 - Natural history |
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Page 226
... spine ) . Unfortunately , this shell is somewhat abnormal , having ... posterior end . Shell calcified only in median region dorsally ; calcified ... Posterior part of shell somewhat damaged dorsally , but ridges apparently fuse and ...
... spine ) . Unfortunately , this shell is somewhat abnormal , having ... posterior end . Shell calcified only in median region dorsally ; calcified ... Posterior part of shell somewhat damaged dorsally , but ridges apparently fuse and ...
Page 268
... posterior end expanded , produced , cartilaginous , not beaked , convex beneath ' . Steenstrup ( 1875 : 468 ) created the genus Hemisepius , with H. typicus as the type species ... posterior spine with 268 ANNALS OF THE SOUTH AFRICAN MUSEUM.
... posterior end expanded , produced , cartilaginous , not beaked , convex beneath ' . Steenstrup ( 1875 : 468 ) created the genus Hemisepius , with H. typicus as the type species ... posterior spine with 268 ANNALS OF THE SOUTH AFRICAN MUSEUM.
Page 269
... posterior spine not keeled . Tentacular suckers subequal . No southern African representatives C. Outer cone with wings ; posterior spine without keels . Tentacular suckers unequal . In some species the ventral part of the inner cone ...
... posterior spine not keeled . Tentacular suckers subequal . No southern African representatives C. Outer cone with wings ; posterior spine without keels . Tentacular suckers unequal . In some species the ventral part of the inner cone ...
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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